List of top Questions asked in MHT CET- 2025

The enthalpy of vaporization of water is 40.79 kJ/mol. How much heat is required to vaporize 2 moles of water at its boiling point?
Which of the following compounds exhibits ionic bonding?
In the reaction \( \mathrm{2H_2 + O_2 \rightarrow 2H_2O} \), if 4 moles of hydrogen react completely with oxygen, how many moles of water will be produced?
A 0.5 kg object is moving with a velocity of 10 m/s. What is its kinetic energy?
A 5 kg block is placed on a horizontal surface. A force of 10 N is applied to the block. The coefficient of friction between the block and the surface is 0.2. Find the acceleration of the block.
A 2 kg object is hanging vertically from a rope. The tension in the rope is 15 N. What is the acceleration of the object? (Assume \( g = 9.8 \, \text{m/s}^2 \))
A car accelerates uniformly from rest to a speed of 20 m/s in 10 seconds. What is the car's acceleration?
A 0.2 kg ball is dropped from a height of 10 meters. What is the velocity of the ball just before it hits the ground? (Assume \( g = 9.8 \, \text{m/s}^2 \) and neglect air resistance.)
In a p-n junction diode, what happens to the width of the depletion region when the forward bias is increased?
A light ray passes from air (refractive index = 1) into water (refractive index = 1.33). If the angle of incidence is 30°, what is the angle of refraction in water?
The frequency of a wave is 50 Hz, and its wavelength is 2 m. What is the speed of the wave?
A gas expands from a volume of 2 m\(^3\) to a volume of 5 m\(^3\) at a constant pressure of \( 2 \times 10^5 \, \text{Pa} \). Calculate the work done by the gas.
A 1.5 kg block is placed on a frictionless surface and attached to a spring with a spring constant of 100 N/m. If the block is displaced by 0.2 m from its equilibrium position, what is the potential energy stored in the spring?
A spaceship moves with a velocity of 5000 m/s. What is the relativistic factor \( \gamma \) for the spaceship? (Given that \( c = 3 \times 10^8 \, \text{m/s} \))
What is the pH of a 0.01 M solution of hydrochloric acid (HCl)?
Which of the following gases is most likely to deviate from ideal gas behavior at high pressures and low temperatures?
Which of the following is the correct order of increasing atomic size?
What is the oxidation state of sulfur in \( \text{H}_2\text{SO}_4 \)?
Which of the following compounds will exhibit hydrogen bonding?
What is the number of moles of oxygen atoms in 4.0 g of \( \text{O}_2 \)?
What is the molecular formula of a compound that has the empirical formula \( \text{CH}_2\text{O} \) and a molar mass of 90 g/mol?
What is the ideal gas law equation?
What is the molarity of a solution prepared by dissolving 8.0 g of NaOH in enough water to make 2.0 L of solution? (Molar mass of NaOH = 40 g/mol)
Which of the following compounds will have the highest boiling point?
What is the role of chlorophyll in photosynthesis?