Foundation Level -IV NEET Mock Test-6 (Chemistry 2024-2025)

anne filled 1L of air in a jar of capacity 750 ml.volume of air in the jar is

• 1000mL

• 875mL

• 750mL

• 250mL

Which of the following cannot be considered a form of matter?

• Atom

• Water

• Humidity

• Electron

Which of the following causes the temperature of a substance to remain constant while it is undergoing a change in its state?

• Latent heat

• Lattice energy

• Loss of heat

• None of these

When water at 0°C freezes to form ice at the same temperature of 0°C, then it:

• Absorbs some heat

• Releases some heat

• Neither absorbs nor releases heat

• Absorbs 3.34 x 105J/kg of heat

Under which of the following circumstances would the distance between molecules of hydrogen gas increase?

(i) Applying greater pressure to hydrogen within a sealed container.
(ii) Leakage of a portion of the hydrogen gas from the container.
(iii) Expanding the volume of the container holding hydrogen gas.
(iv) Introducing additional hydrogen gas into the container without altering its volume.

• (i) and (iii)

• (i) and (iv)

• (ii) and (iii)

• (ii) and (iv)

What is the physical state of matter in which particles have the least kinetic energy?

• Solid

• Liquid

• Gas

• Plasma

Which of the following is a characteristic property of solids?

• Definite shape and volume

• Indefinite shape and volume

• Indefinite shape but definite volume

• Definite shape but indefinite volume

What happens to the arrangement of particles when a substance changes from solid to liquid state?

• Particles come closer together

• Particles move further apart

• Particles become arranged in a regular pattern

• None of the above

Which of the following statements about gases is true?

• Gases have definite shape and volume

• Gases have definite shape but indefinite volume

• Gases have indefinite shape and volume

• Gases have indefinite shape but definite volume

The process of conversion of a solid into a gas without passing through the liquid state is called

• Evaporation

• Condensation

• Sublimation

• Fusion