List of top Questions asked in MHT CET

How much charge in coulombs is required for the reduction of one mole of Al\(^{3+}\) to Al?

Which of the following is used as a promoter in Bosch’s process?

Which of the following has the highest boiling point?

For the combustion of 1 mole of liquid benzene at 298K, the heat of reaction at constant pressure is -3268 kJ mol\(^{-1}\), what is the heat of combustion at constant volume?

Which free radical is most stable among the following?

What is the formula of calamine?

Which among the following reagents is used to obtain gluconic acid from glucose?

How many optical isomers are possible for a compound having 3 asymmetric carbon atoms?

Chlorine is manufactured by

Hydroxide of which alkali metal is used in the manufacture of soft soap?

A gas has a volume of 3.4 L at 25°C. What is the final temperature if the volume increases to 10 L at constant pressure?

A string of length $l$ fixed at one end carries a mass $m$ at the other end. The string makes $\frac{3{2}$ revolutions / second around the vertical axis through the fixed end as shown in figure. The tension $T$ in the string is}

A rotating body has angular momentum $L$. If its frequency of rotation is halved and rotational kinetic energy is doubled, its angular momentum becomes

A bucket containing water is revolved in a vertical circle of radius $r$. To prevent the water from falling down, the minimum frequency of revolution required is (where $g$ = acceleration due to gravity)

A metal rod of Young’s modulus $Y$ and coefficient of linear expansion $\alpha$ has its temperature raised by $\Delta \theta$. The linear stress to prevent the expansion of rod is ($L$ and $\ell$ are original length of rod and expansion respectively)

A bar magnet having length $5\,\text{cm$ and area of cross-section $4\,\text{cm}^2$ has magnetic moment $2\,\text{Am}^2$. If magnetic susceptibility is $5 \times 10^{-6}$, the magnetic intensity will be}

One mole of a diatomic gas does a work $\frac{Q{3}$, when the amount of heat supplied is $Q$. In this process, the molar heat capacity of the gas is}

The sum of the magnitudes of two vectors $\vec{A$ and $\vec{B}$ is $8$ and magnitude of the resultant is $4$. If the resultant vector is perpendicular to any one vector, then the magnitudes of the two vectors $\vec{A}$ and $\vec{B}$ are}

In potentiometer experiment, the balancing length with a cell $E_1$ of unknown e.m.f. is $\ell_1$ cm. By shunting the cell with resistance $R$, the balancing length becomes $\ell_2$ cm, the internal resistance $r$ of a cell is

A disc of mass $10\,\text{kg$ and radius $0.1\,\text{m}$ is rotating at $120\,\text{r.p.m.}$. A retarding torque brings it to rest in $10\,\text{s}$. If the same torque is due to force applied tangentially on the rim of the disc, then the magnitude of force is}

In an oscillator, if $A$ is the feedback factor and $A'$ is the gain of amplifier, then sustained oscillations are obtained when

A simple microscope is used to see the object first in blue light and then in red light. Due to the change from blue to red light, what is the effect on its magnifying power?

Assuming the atom in the ground state, the expression for the magnetic field at a point (nucleus) in hydrogen atom due to circular motion of electron is \[ \mu_0 = \text{permeability of free space},\; \epsilon_0 = \text{permittivity of free space},\; m = \text{mass of electron},\; e = \text{electronic charge},\; h = \text{Planck’s constant} \]

If only $2%$ of the total current passes through an ammeter having coil of resistance $R$, then the resistance of the shunt of an ammeter is

A Diwali cracker releases $25$ gram gas per second, with a speed of $400\,\text{m s^{-1}$ after explosion. The force exerted by gas on the cracker is}