Foundation Level I NEET Mock Test-5( Chemistry)

What are the changes that can be reversed called?

• Reversible changes

• Irreversible changes

• Contraction

• Evaporation

A process in which an object becomes smaller or shrinks is called_____

• Chemical change

• Irreversible change

• Contraction

• Expansion

Temperature at which a solid starts melting is called its______

• Melting point

• Boiling point

• Freezing point

• Slow change

The change in which chemical properties of a substance change is called_______

• Chemical change

• Physical change

• Heating

• Pressure

Which is a way to make change happen?

• Heating a substance

• Cooling a substance

• Mixing a substance

• All of these

The melting of gold is an example of_______

• Chemical change

• Physical change

• Electrical

• Magnetical

Which is not a sign of reversible change?

• Change in state

• Change in property

• Change in size

• Change in appearance

Which of the following changes can be reversed?

• Cow dung to biogas

• Bud to flower

• Wet clothes to dry clothes

• Raw egg to boiled egg

A process in which liquid changes into vapour is called_____

• Contraction

• Evaporation

• Melting

• Freezing

Rusting of iron is an example of______

• Slow change

• Fast change

• Reversible change

• Physical change