JEE Main 11 January 2019 Shift 1 Question Paper

Question 1

If the system of linear equations
$2x + 2y + 3z = a$
$3x - y + 5z = b$
$x - 3y + 2z = c$
Where a, b, c are non zero real numbers, has more than one solution, then:

Accepted Answer

(B) $b-c-a=0$

Answer

(A) $b-c+a=0$

Answer

(C) $a+b+c=0$

Answer

(D) $b+c-a=0$

Question 2

Let $f_{k}(x)=\frac{1}{k}(\sin^{k}x+\cos^{k}x)$ for k = 1, 2, 3, … Then for all x ∈ R, the value of $f_{4}(x)-f_{6}(x)$ is equal to:

Accepted Answer

(A) $\frac{1}{12}$

Answer

(B) $\frac{1}{4}$

Answer

(C) $\frac{-1}{12}$

Answer

(D) $\frac{5}{12}$

Question 3

A square is inscribed in the circle $x^{2}+y^{2}-6x+8y-103=0$ with its sides parallel to the coordinate axes. Then the distance of the vertex of the square which is nearest to the origin is:

Accepted Answer

(C) $\sqrt{41}$

Answer

(A) $6$

Answer

(B) $\sqrt{137}$

Answer

(D) $13$

Question 4

If q is false and $p \wedge q \leftrightarrow r$ is true, then which one of the following statements is a tautology?

Accepted Answer

(B) $(p \wedge r) \rightarrow (p \vee r)$

Answer

(A) $(p \vee r) \rightarrow (p \wedge r)$

Answer

(C) $p \wedge r$

Answer

(D) $p \vee r$

Question 5

The area (in sq. units) of the region bounded by the curve $x^{2}=4y$ and the straight line $x=4y-2$ is:

Accepted Answer

(B) $9/8$

Answer

(A) $5/4$

Answer

(C) $7/8$

Answer

(D) $3/4$

Question 6

The value of the integral $\int_{-2}^{2}\dfrac{\sin^{2}x}{\left[\dfrac{x}{\pi}\right]+\dfrac{1}{2}}\,dx$ (where [x] denotes the greatest integer less than or equal to x) is:

Accepted Answer

(A) 0

Answer

(B) $\sin 4$

Answer

(C) 4

Answer

(D) $4-\sin 4$

Question 7

The outcome of each of 30 items was observed; 10 items gave an outcome $\dfrac{1}{2}-d$ each, 10 items gave outcome $\dfrac{1}{2}$ each and the remaining 10 items gave outcome $\dfrac{1}{2}+d$ each. If the variance of this outcome data is $\dfrac{4}{3}$ then $|d|$ equals:

Accepted Answer

(D) $\sqrt{2}$

Answer

(A) $\dfrac{2}{3}$

Answer

(B) 2

Answer

(C) $\dfrac{\sqrt{5}}{2}$

Question 8

The plane containing the line $\dfrac{x-3}{2}=\dfrac{y+2}{-1}=\dfrac{z-1}{3}$ and also containing its projection on the plane $2x+3y-z=5$, contains which one of the following points?

Accepted Answer

(D) $(2,0,-2)$

Answer

(A) $(2,2,0)$

Answer

(B) $(-2,2,2)$

Answer

(C) $(0,-2,2)$

Question 9

Two integers are selected at random from the set {1, 2, …, 11}. Given that the sum of selected numbers is even, the conditional probability that both the numbers are even is:

Accepted Answer

(C) $\frac{2}{5}$

Answer

(A) $\frac{7}{10}$

Answer

(B) $\frac{1}{2}$

Answer

(D) $\frac{3}{5}$

Question 10

Two circles with equal radii intersecting at the points (0, 1) and (0, −1). The tangent at the point (0, 1) to one of the circles passes through the centre of the other circle. Then the distance between the centres of these circles is:

Accepted Answer

(B) $2$

Answer

(A) $1$

Answer

(C) $2\sqrt{2}$

Answer

(D) $\sqrt{2}$

Question 11

The value of r for which $^{20}C_{r}\,^{20}C_{0}+^{20}C_{r-1}\,^{20}C_{1}+^{20}C_{r-2}\,^{20}C_{2}+\ldots+^{20}C_{0}\,^{20}C_{r}$ is maximum is:

Accepted Answer

(B) $20$

Answer

(A) $15$

Answer

(C) $11$

Answer

(D) $10$

Question 12

If tangents are drawn to the ellipse $x^{2}+2y^{2}=2$ at all points on the ellipse other than its four vertices than the mid points of the tangents intercepted between the coordinate axes lie on the curve:

Accepted Answer

(C) $\frac{1}{2x^{2}}+\frac{1}{4y^{2}}=1$

Answer

(A) $\frac{1}{4x^{2}}+\frac{1}{2y^{2}}=1$

Answer

(B) $\frac{x^{2}}{4}+\frac{y^{2}}{2}=1$

Answer

(D) $\frac{x^{2}}{2}+\frac{y^{2}}{4}=1$

Question 13

Let $f(x)=\begin{cases}-1, & -2\le x<0\ x^{2}-1, & 0\le x\le 2\end{cases}$ and $g(x)=|f(x)|+f(|x|)$, Then, in the interval $(-2,2)$, g is:

Accepted Answer

(D) not differentiable at one point

Answer

(A) differentiable at all points

Answer

(B) not continuous

Answer

(C) not differentiable at two points

Question 14

If $x\log_{e}(\log_{e}x)-x^{2}+y^{2}=4\,(y>0)$, then $\frac{dy}{dx}$ at x = e is equal to:

Accepted Answer

(B) $\frac{(2e-1)}{2\sqrt{4+e^{2}}}$

Answer

(A) $\frac{(1+2e)}{2\sqrt{4+e^{2}}}$

Answer

(C) $\frac{(1+2e)}{\sqrt{4+e^{2}}}$

Answer

(D) $\frac{e}{\sqrt{4+e^{2}}}$

Question 15

If $\int\frac{\sqrt{1-x^{2}}}{x^{4}}dx=A(x)(\sqrt{1-x^{2}})^{m}+C$, for a suitable chosen integer m and a function A(x), where C is a constant of integration, then $(A(x))^{m}$ equals:

Accepted Answer

(A) $\frac{-1}{27x^{9}}$

Answer

(B) $\frac{-1}{3x^{3}}$

Answer

(C) $\frac{1}{27x^{6}}$

Answer

(D) $\frac{1}{9x^{4}}$

Question 16

Let [x] denote the greatest integer less than or equal to x. Then: $\lim_{x	o 0}\frac{	an\left(\pi\sin^{2}xight)+\left(|x|-\sin\left(x[x]ight)ight)^{2}}{x^{2}}$

Accepted Answer

(A) does not exist

Answer

(B) equals π

Answer

(C) equal π + 1

Answer

(D) equals 0

Question 17

The maximum value of the function $f(x)=3x^{3}-18x^{2}+27x-40$ on the set S = $\{x\in R : x^{2}+30\le 11x\}$ is

Accepted Answer

(C) 122

Answer

(A) -122

Answer

(B) -222

Answer

(D) 222

Question 18

Let $f:R\rightarrow R$ be defined by $f(x)=\dfrac{x}{1+x^{2}}$, $x\in R$. Then the range of f is:

Accepted Answer

(A) $\left[-\dfrac{1}{2},\dfrac{1}{2}\right]$

Answer

(B) $R-[-1,1]$

Answer

(C) $R-\left[-\dfrac{1}{2},\dfrac{1}{2}\right]$

Answer

(D) $(-1,1)-\{0\}$

Question 19

The sum of an infinite geometric series with positive terms is 3 and the sum of the cubes of its terms is $\frac{27}{19}$. Then the common ratio of this series is:

Accepted Answer

(B) $\frac{2}{3}$

Answer

(A) $\frac{1}{3}$

Answer

(C) $\frac{2}{9}$

Answer

(D) $\frac{4}{9}$

Question 20

The straight line x + 2y = 1 meets the coordinate axes at A and B. A circle is drawn through A, B and the origin. Then the sum of perpendicular distances from A and B on the tangent to the circle at the origin is:

Accepted Answer

(A) $\frac{\sqrt{5}}{2}$

Answer

(B) $2\sqrt{5}$

Answer

(C) $\frac{\sqrt{5}}{4}$

Answer

(D) $4\sqrt{5}$

Question 21

In a triangle, the sum of lengths of two sides is x and the product of the lengths of the same two sides is y. If $x^{2}-c^{2}=y$, where c is the length of the third side of the triangle, then the circumradius of the triangle is:

Accepted Answer

(B) $\frac{c}{\sqrt{3}}$

Answer

(A) $\frac{3}{2}y$

Answer

(C) $\frac{c}{3}$

Answer

(D) $\frac{y}{\sqrt{3}}$

Question 22

Equation of a common tangent to the parabola $y^{2}=4x$ and the hyperbola $xy=2$ is:

Accepted Answer

(C) $x+2y+4=0$

Answer

(A) $x+y+1=0$

Answer

(B) $x-2y+4=0$

Answer

(D) $4x+2y+1=0$

Question 23

The sum of the real values of x for which the middle term in the binomial expansion of $\left(\frac{x^{3}}{3}+\frac{3}{x}\right)^{8}$ equals 5670 is:

Accepted Answer

(A) 0

Answer

(B) 6

Answer

(C) 4

Answer

(D) 8

Question 24

Let $a_{1}, a_{2}, \ldots, a_{10}$ be a G.P. If $\frac{a_{3}}{a_{1}}=25$, then $\frac{a_{9}}{a_{5}}$ equals:

Accepted Answer

(A) $5^{4}$

Answer

(B) $4(5^{2})$

Answer

(C) $5^{3}$

Answer

(D) $2(5^{2})$

Question 25

Let $A=\begin{pmatrix}0 & 2q & r\ p & q & -r\ p & -q & r\end{pmatrix}$. If $AA^{T}=I_{3}$, $|P|$ then $|p|$ is:

Accepted Answer

(C) $\dfrac{1}{\sqrt{2}}$

Answer

(A) $\dfrac{1}{\sqrt{5}}$

Answer

(B) $\dfrac{1}{\sqrt{3}}$

Answer

(D) $\dfrac{1}{\sqrt{6}}$

Question 26

If y (x) is the solution of the differential equation $\frac{dy}{dx}+\left(\frac{2x+1}{x}\right)y=e^{-2x}, x>0$ where $y(1)=\frac{1}{2}e^{-2}$, then:

Accepted Answer

(C) y(x) is decreasing in $\left(\frac{1}{2},1\right)$

Answer

(A) $y\left(\log_{e}2\right)=\log_{e}4$

Answer

(B) $y\left(\log_{e}2\right)=\frac{\log_{e}2}{4}$

Answer

(D) y(x) is decreasing in (0, 1)

Question 27

Let $\vec{a}=\hat{i}+2\hat{j}+4\hat{k}, \vec{b}=\hat{i}+\lambda\hat{j}+4\hat{k}$ and $\vec{c}=2\hat{i}+4\hat{j}+\left(\lambda^{2}-1ight)\hat{k}$ be coplanar vectors. Then the non − zero vector $\vec{a}	imes\vec{c}$ is:

Accepted Answer

(D) $-10\hat{i}+5\hat{j}$

Answer

(A) $-10\hat{i}-5\hat{j}$

Answer

(B) $-14\hat{i}-5\hat{j}$

Answer

(C) $-14\hat{i}+5\hat{j}$

Question 28

If one real root of the quadratic equation $81x^{2}+kx+256=0$ is cube of the other root, then a value of k is:

Accepted Answer

(D) − 300

Answer

(A) − 81

Answer

(B) 100

Answer

(C) 144

Question 29

Let $\left(-2-\dfrac{1}{3}i\right)^{3}=\dfrac{x+iy}{27}$ $(i=\sqrt{-1})$, where x and y are real numbers, then $y-x$ equals:

Accepted Answer

(A) 91

Answer

(B) -85

Answer

(C) 85

Answer

(D) -91

Question 30

A body is projected at t = 0 with a velocity 10 ms$^{-1}$ at an angle of 60$^{0}$ with the horizontal. The radius of curvature of its trajectory at t = 1s is R. Neglecting air resistance and taking acceleration due to gravity g = 10 ms$^{-2}$, the radius of R is:

Accepted Answer

(B) 2.8 m

Answer

(A) 10.3 m

Answer

(C) 2.5 m

Answer

(D) 5.1 m

Question 31

A hydrogen atom, initially in the ground state is excited by absorbing a photon of wavelength 980 Å. The radius of the atom in the excited state, in terms of Bohr radius $a_0$, will be: (hc = 12500 eV- Å)

Accepted Answer

(C) $16a_0$

Answer

(A) $25a_0$

Answer

(B) $9a_0$

Answer

(D) $4a_0$

Question 32

In the given circuit the current through Zener Diode is close to:

Accepted Answer

(A) 0.0 mA

Answer

(B) 6.7 mA

Answer

(C) 4.0 mA

Answer

(D) 6.0 mA

Question 33

There are two long co – axial solenoids of same length l. The inner and outer coils have radii r$_1$ and r$_2$ and number of turns per unit length n$_1$ and n$_2$ respectively. The ratio of mutual inductance to the self – inductance of the inner – coil is:

Accepted Answer

(D) $\frac{n_2}{n_1}$

Answer

(A) $\frac{n_1}{n_2}$

Answer

(B) $\frac{n_2}{n_1}\cdot\frac{r_1}{r_2}$

Answer

(C) $\frac{n_2}{n_1}\cdot\frac{r_2^2}{r_1^2}$

Question 34

A satellite is revolving in a circular orbit at a height h from the earth surface, such that h < < R where R is the radius of the earth. Assuming that the effect of earth's atmosphere can be neglected the minimum increase in the speed required so that the satellite could escape from the gravitational field of earth is:

Accepted Answer

(D) $\sqrt{gR}(\sqrt{2}-1)$

Answer

(A) $\sqrt{2gR}$

Answer

(B) $\sqrt{gR}$

Answer

(C) $\sqrt{\frac{gR}{2}}$

Question 35

The force of interaction between two atoms is given by $F = \alpha\beta\, exp\left(-\dfrac{x^{2}}{\alpha kt}\right)$; where x is the distance, k is the Boltzmann constant and T is temperature and α and β are two constants. The dimension of β is:

Accepted Answer

(B) M²LT⁻⁴

Answer

(A) M⁰L²T⁻⁴

Answer

(C) MLT⁻²

Answer

(D) M²L²T⁻²

Question 36

In a Young's double slit experiment, the path difference, at a certain point on the screen, between two interfering waves is 1/8$^{th}$ of wavelength. The ratio of the intensity at this point to that at the centre of a bright fringe is close to:

Accepted Answer

(B) 0.85

Answer

(A) 0.74

Answer

(C) 0.94

Answer

(D) 0.80

Question 37

Three charges Q, +q and +q are placed at the vertices of a right – angle isosceles triangle as shown below. The net electrostatic energy of the configuration is zero, if the value of Q is:

Accepted Answer

(B) $\frac{-\sqrt{2}q}{\sqrt{2}+1}$

Answer

(A) +q

Answer

(C) $\frac{-q}{1+\sqrt{2}}$

Answer

(D) –2q

Question 38

The variation of refractive index of a crown glass thin prism with wavelength of the incident light is shown. Which of the following, graph is the correct one, if D$_m$ is the angle of minimum deviation?

Accepted Answer

(A) (A)

Answer

(B) (B)

Answer

(C) (C)

Answer

(D) (D)

Question 39

The equilateral triangle ABC is cut from a thin solid sheet of wood. (See figure) D, E and F are the mid points of its sides as shown and G is the centre of the triangle. The moment of inertia of the triangle about an axis passing through G and perpendicular to the plane of the triangle is I$_0$. If the smaller triangle DEF is removed from ABC, the moment of inertia of the remaining figure about the same axis is I. Then:

Accepted Answer

(A) I = $\frac{15}{16}$I$_0$

Answer

(B) I = $\frac{3}{4}$I$_0$

Answer

(C) I = $\frac{9}{16}$I$_0$

Answer

(D) I = $\frac{I_0}{4}$

Question 40

Ice at –20$^{0}$C is added to 50 g of water at 40$^{0}$C. When the temperature of the mixture reaches 0°C, it is found that 20 g of ice is still unmelted. The amount of ice added to the water was close to (Specific heat of water = 4.2 J/g/$^{0}$C) Heat of fusion of water at 0°C = 334 J/g)

Accepted Answer

(D) 40 g

Answer

(A) 50 g

Answer

(B) 100 g

Answer

(C) 60 g

Question 41

A particle is moving along a circular path with a constant speed of 10 ms$^{-1}$. What is the magnitude of the change in velocity of the particle, when it moves through an angle of 60$^{0}$ around the centre of the circle?

Accepted Answer

(D) 10 m/s

Answer

(A) $10\sqrt{3}$ m/s

Answer

(B) 0

Answer

(C) $10\sqrt{2}$ m/s

Question 42

An object is at a distance of 20 m from a convex lens of focal length 0.3 m. The lens forms an image of the object. If the object moves away from the lens at a speed of 5 m/s, the speed and direction of the image will be:

Accepted Answer

(D) $1.16 	imes 10^{-3}$ m/s towards the lens

Answer

(A) $2.26 	imes 10^{-3}$ m/s away from the lens

Answer

(B) $0.92 	imes 10^{-3}$ m/s away from the lens

Answer

(C) $3.22 	imes 10^{-3}$ m/s towards the lens

Question 43

A gas mixture consists of 3 moles of oxygen and 5 moles or argon at temperature T. Considering only translational and rotational modes, the total internal energy of the system is:

Accepted Answer

(A) 15 RT

Answer

(B) 12 RT

Answer

(C) 4 RT

Answer

(D) 20 RT

Question 44

Two equal resistances when connected in series to a battery, consume electric power of 60 W. If these resistances are now connected in parallel combination to the same battery, the electric power consumed will be.

Accepted Answer

(B) 240 W

Answer

(A) 60 W

Answer

(C) 120 W

Answer

(D) 30 W

Question 45

The resistance of the meter bridge AB in given figure is $4\ \Omega$. With a cell of emf $\varepsilon$ = 005 V and rheostat resistance $R_h = 2\ \Omega$ the null point is obtained at some point J. When the cell is replaced by another one of emf $\varepsilon = \varepsilon_2$ the same null point J is found for $R_h = 6\ \Omega$. The emf $\varepsilon_2$ is:

Accepted Answer

(B) 0.3V

Answer

(A) 0.4V

Answer

(C) 0.6V

Answer

(D) 0.5V

Question 46

An electromagnetic wave of intensity 50 Wm$^{-2}$ enters in a medium of refractive index' n' without any loss . The ratio of the magnitudes of electric fields, and the ratio of the magnitudes of magnetic fields of the wave before and after entering into the medium are respectively. Given by:

Accepted Answer

(D) $\left(\dfrac{1}{\sqrt{n}}, \sqrt{n}\right)$

Answer

(A) $\left(\dfrac{1}{\sqrt{n}}, \dfrac{1}{\sqrt{n}}\right)$

Answer

(B) $\left(\sqrt{n}, \sqrt{n}\right)$

Answer

(C) $\left(\sqrt{n}, \dfrac{1}{\sqrt{n}}\right)$

Question 47

In the figure shown below, the charge on the left plate of the $\mu$F capacitor is $-30\mu$C. The charge on the right place of the 6 $\mu$F capacitor is:

Accepted Answer

(D) $+18\mu$C

Answer

(A) $-12\mu$C

Answer

(B) $+12\mu$C

Answer

(C) $-18\mu$C

Question 48

A rigid diatomic ideal gas undergoes an adiabatic process at room temperature. The rational between temperature and volume for the process is $TV^{x}$ = constant, then x is:

Accepted Answer

(B) 2/5

Answer

(A) 3/5

Answer

(C) 2/3

Answer

(D) 5/3

Question 49

A liquid of density $\rho$ is coming out of a hose pipe of radius a with horizontal speed v and hits a mesh. 50% of the liquid passes through the mesh unaffected. 25% looses all of its momentum and 25% comes back with the same speed. The resultant pressure on the mesh will be:

Accepted Answer

(B) $\dfrac{3}{4}\rho v^{2}$

Answer

(A) $\dfrac{1}{4}\rho v^{2}$

Answer

(C) $\dfrac{1}{2}\rho v^{2}$

Answer

(D) $\rho v^{2}$

Question 50

If the deBroglie wavelength of an electron is equal to $10^{-3}$ times the wavelength of a photon of frequency $6 	imes 10^{14}$ Hz, then the speed of electron is equal to: (Speed of light = 3 x 10 = 8 = m/s ; Planck's constant = $6.63 	imes 10^{-34}$ J.s ; Mass of electron = $9.1 	imes 10^{-31}$ kg)

Accepted Answer

(D) $1.45 	imes 10^{6}$ m/s

Answer

(A) $1.1 	imes 10^{6}$ m/s

Answer

(B) $1.7 	imes 10^{6}$ m/s

Answer

(C) $1.8 	imes 10^{6}$ m/s

Question 51

The give graph shown variation (with distance r from centre) of:

Accepted Answer

(B) Potential of a uniformly charged spherical shell

Answer

(A) Electric field of a uniformly charged sphere

Answer

(C) Potential of a uniformly charged sphere

Answer

(D) Electric field of a uniformly charged spherical shell

Question 52

Equation of travelling wave on a stretched string of linear density 5 g/m is $y = 0.03\sin(450t - 9x)$ where distance and time are measured in SI united. The tension in the string is:

Accepted Answer

(C) 12.5 N

Answer

(A) 10 N

Answer

(B) 7.5 N

Answer

(D) 5 N

Question 53

In an experiment, electrons are accelerated, from rest, by applying, a voltage of 500 V. Calculate the radius of the path if a magnetic field 100 mT is then applied. [Charge of the electron = $1.6 	imes 10^{-19}$ C Mass of the electron = $9.1 	imes 10^{-31}$ kg]

Accepted Answer

(D) $7.5 	imes 10^{-4}$ m

Answer

(A) $7.5 	imes 10^{-3}$ m

Answer

(B) $7.5 	imes 10^{-2}$ m

Answer

(C) 7.5 m

Question 54

In a Wheatstone bridge (see figure) Resistance P and Q are approximately equal. When R = 400 $\Omega$, the bridge is balanced. On interchanging P and Q, the value of R, for balance is 405 $\Omega$. The value of X is close to:

Accepted Answer

(D) 402.5 ohm

Answer

(A) 401.5 ohm

Answer

(B) 404.5 ohm

Answer

(C) 403.5 ohm

Question 55

Among the following compounds, which one is found in RNA?

Accepted Answer

(B) (B)

Answer

(A) (A)

Answer

(C) (C)

Answer

(D) (D)

Question 56

The correct match between items I and II is:

Accepted Answer

(B) a – q, b – r, c – s

Answer

(A) a - d, b – r, c – p

Answer

(C) a – r, b – p, c – s

Answer

(D) a – q, b – r, c – p

Question 57

Which compounds out of the following is/are not aromatic?

Accepted Answer

(A) b, c and d

Answer

(B) c and d

Answer

(C) b

Answer

(D) a and c

Question 58

A solid having density of $9 × 10^{3}$ kg m$^{-3}$ forms face centred cubic crystale of edge length $200\sqrt{2}$ pm. What is the molar mass of the solid?
[Avogadro constant ≅ 6 × $10^{23}$ and mol$^{-1}$, π ≅ 3]

Accepted Answer

(C) 0.0305 kg mol$^{-1}$

Answer

(A) 0.0432 kg mol$^{-1}$

Answer

(B) 0.0216 kg mol$^{-1}$

Answer

(D) 0.4320 kg mol$^{-1}$

Question 59

For the cell $Zn(s)|Zn^{2+}(aq)||M^{x+}(aq)|M(s)$, different half cells and their standard electrode potentials are given below:

If $E^{0}_{Zn^{2+}/Zn} = -0.76$ V, which cathode will given a maximum value of $E^{0}_{cell}$ per electron transferred?

Accepted Answer

(A) $Ag^{+}/Ag$

Answer

(B) $Fe^{3+}/Fe^{2+}$

Answer

(C) $Au^{3+}/Au$

Answer

(D) $Fe^{2+}/Fe$

Question 60

The correct match between item I and item II is:

Accepted Answer

(B) a – q, b – p, c – r

Answer

(A) a – q, b – r, c – s

Answer

(C) a – r, b – p, c – s

Answer

(D) a – r, b – p, c – r

Question 61

The polymer obtained from the following reactions is:

Accepted Answer

(C) (C)

Answer

(A) (A)

Answer

(B) (B)

Answer

(D) (D)

Question 62

NaH is an example of:

Accepted Answer

(C) saline hydride

Answer

(A) electron rich hydride

Answer

(B) metallic hydride

Answer

(D) molecular hydride

Question 63

The element the usually does NOT show variable oxidation states is:

Accepted Answer

(C) Sc

Answer

(A) Cu

Answer

(B) Ti

Answer

(D) V

Question 64

An example of solid sol is:

Accepted Answer

(B) Gem stones

Answer

(A) Paint

Answer

(C) Butter

Answer

(D) Hair cream

Item – I (Mixture)	Item – II (Separation method)
a. $H_2O$ : Sugar	p.Sublimation
b. $H_2O$ : Aniline	q.Recrystallization
c. $H_2O$ : Toluene	r.Stem distillation
	s.Differential extraction

Item – I	Item – II
a.Norethindrone	p.Anti – biotic
b.Ofloxacin	q.Anti – fertility
c.Equanil	r.Hypertention
	s.Analgesics

Column I (Metals)	Column II (Coordination compounds/enzymes)
a.Co	i.Wilkinson catalyst
b.Zn	ii.Chlorophyll
c.Rh	iii.Vitamin B12
d.Mg	iv.Carbonic anhydrase

Column A (Ores)	Column B (Metals)
I.Siderite	a.Zinc
II.Kaolinite	b.Copper
III.Malachite	c.Iron
IV.Calamine	d.Aluminium

JEE Main 11 January 2019 Shift 1 Question Paper with Answers

Physics — JEE Main 11 January 2019 Shift 1

Chemistry — JEE Main 11 January 2019 Shift 1

Mathematics — JEE Main 11 January 2019 Shift 1

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