List of top Questions asked in MHT CET- 2025

A container contains 4 g $H_2$, 4 g $He$ and certain amount of 'Ne' at a certain temperature. What is the mass of 'Ne' required so that the partial pressure exerted by 'Ne' is equal to the partial pressure of He?

In a common emitter amplifier configuration, the current gain is 62. The collector resistance and input resistance are 5k$\Omega$ and 500$\Omega$ respectively. If the input voltage is 0.01 V, the output voltage will be ______.

Which of the following is more polar?

Which of the following is used as reagent in Etard reaction?

What is the total number of carbon atoms present in a sugar molecule of RNA nucleotide?

If instantaneous rate of reaction is stated as $-\frac{1}{2} \frac{d[x]}{dt} = -\frac{d[y]}{dt} = \frac{1}{2} \frac{d[z]}{dt}$, identify the reaction.

Identify the product formed in the following reaction:
$C_6H_5 - CH_2 - CH_3 \xrightarrow[\text{ii) } H_3O^+]{\text{i) alk. } KMnO_4} \text{Product}$

What is the total number of unit cells shared by each corner particle of bcc unit cell?

What is the time required for 99% completion of a first order reaction if rate constant is 23.03 min$^{-1}$?

Identify 'A' in the following reaction: A + Lithium amide $\rightarrow$ Ethynyl lithium $\rightarrow$ Bromoethane $\rightarrow$ But-1-yne

Calculate the number of unit cells in 1 cm$^3$ volume of metal if unit cell edge length is $1.25 \times 10^{-8}$ cm.

When one end of a capillary tube is dipped in water, the height of water column is 'h'. The upward force of 105 dyne due to surface tension is balanced by the weight of water column. The inner circumference of the capillary tube is ______.

A copper ring having a cut such as not to form a complete loop is held horizontally and a bar magnet is dropped through the ring. The acceleration of the falling magnet is \dots

Assuming the drops to be spherical, 27 identical drops of mercury are charged simultaneously to the same potential of 20 volt. If all the charged drops are made to combine to form one big drop, then potential of big drop will be ______.

A circular coil carrying current 'I' has a radius 'r' and 'n' turns. The magnetic field along the axis of a coil at a distance '2√2 r' from its centre is ______.

Which of the following household plastic material is used to prepare drinking straws?

Two batteries of e.m.f 4 V and 8 V with internal resistance 1$\Omega$ and 2$\Omega$ respectively are connected in series (opposing) with a 9$\Omega$ resistor. The current and potential difference between points 'P' and 'Q' is \dots

If standard reduction potential ($E^\circ$) of ($Mg^{2+} | Mg(s)$), ($Ag^+ | Ag(s)$), ($Zn^{2+}(aq) | Zn(s)$) and ($Cu^{2+}(aq) | Cu(s)$) are $-2.37$ V, $+0.79$ V, $-0.76$ V and $+0.34$ V respectively. Which of the following reaction is spontaneous?

A bob of mass 'm' is tied by a string wound on a flywheel (disc) of radius 'R' and mass 'm'. If the bob has covered a vertical distance 'h', then the angular speed of the wheel will be \dots

What is the charge required to convert 2 mol $KMnO_4$ to $MnSO_4$?

Calculate the pH of centimolar solution of monoacidic weak base. Which is 10% dissociated in its aqueous solution?

Which colour is developed to the solution when alkaline earth metals are dissolved in liquid ammonia?

Identify the product formed in the following reaction: $(CH_3CO)_2O \xrightarrow{H_2O} \text{Product}$

In an $LR$ circuit, the value of $L$ is $(0.3/\pi)$ henry and the value of $R$ is $40 \Omega$. If an alternating e.m.f of 230 V at 50 cycles per second is connected, the impedance of the circuit and current will be respectively ______.

A constant force $\vec{F} = 3\hat{i} - 2\hat{j} - \hat{k}$ N has a displacement $\vec{r} = 2\hat{i} - 3\hat{j} - 3\hat{k}$ m in 2 second. The work done and the power are respectively ______.