List of practice Questions

Among the following, the one which is most basic is

1.1 mol of A is mixed with 2.2 mol of B and the mixture is kept in one litre flask till the equilibrium is reached. At equilibrium, 0.2 mol of C is formed. If the equilibrium reaction is $A + 2B \rightarrow 2C + D,$ the value of equilibrium constant is

Which of the following is never true for cathode rays?

A bar magnet is oscillating in the earth's magnetic field with a period $T$. What happens to its period and motion if its mass is quadrupled?

Which one of the following salt will have the same value of vant Hoff's factor (i) as that of $K_4[Fe(CN)_6]$ ?

At 25$^\circ$C, the highest osmotic pressure is exhibited by 0.1 M solution of

Diazo coupling is useful to prepare some

Which of the following components is a part of the pectoral girdle?

Biological control of agricultural pests, unlike chemical control, is

Calcium deficiency in the body occurs in the absence of

A boat is sent across a river with a velocity of 8 km $h^{ - 1} $ . If the resultant velocity of boat is 10 km $ h^{ - 1}$, then velocity of river is

At certain temperature, 50% of HI is dissociated into $H_2$ and $I_2$, the equilibrium constant is

Two identical balls $A$ and $B$ having velocities of $0.5\, m / s$ and $-0.3\, m / s$ respectively collide elastically in one dimension. The velocities of $B$ and $A$ after the collision respectively will be -

Tube feet are the characteristic structures of

A system exhibiting SHM must possess

Oxygen dissociation curve of haemoglobin is

A body, constrained to move in y-direction, is subjected to a force given by $\overrightarrow{F} = (-2\widehat{i}+15\widehat{j}+6\widehat{k})$N The work done by this force in moving the body through a distance of 10$\widehat{j}$ m along y-axis, is

The distance of two planets from the sun are $ {10}^{13}$ m and $ {10}^{12}$ m respectively. The ratio of time periods of the planets is

Which of the following compounds has the lowest boiling point?

Zerevitinov?? determination of active hydrogen in a compound is based upon its reaction with

Which of the following is a pair of homologous organs?

When a body moves with a constant speed along a circle

Which one of the four parts mentioned below does not constitute a part of single uriniferous tubule?

What is the decreasing order of basicity of 1$^{\circ}$, 2$^{\circ}$ and 3$^{\circ}$ ethyl amines and ammonia?