CHEMISTRY MCQ

State if the following is a physical property of a substance.
Sulphur is a yellow amorphous powder insoluble in water.

State if the following is a physical property of a substance.
Hydrogen sulphide gas has a strong rotten egg odour.

State if the following is a physical property of a substance.
Naphthalene on heating directly turns into vapour.

State if the following is a physical property of a substance.
Water acidified with dilute sulphuric acid is a good conductor of electricity.

State if the following is a physical property of a substance.
Lead chloride reacts with barium sulphate to give a white precipitate of lead sulphate.

State if the following is a physical property of a substance.
The melting point of ice is 0°C.

State if the following is a physical property of a substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.

State if the following is a physical property of a substance.
Magnesium reacts with dilute hydrochloric acid, liberating hydrogen gas.

State if the following is a physical property of a substance.
Sodium nitrate is soluble in water, but calcium carbonate is not.

State if the following is a physical property of a substance.
Chlorine gas has a – strong irritating odor.

For the following statement, say whether it describes a solid, a liquid or a gas. Particles are far apart and move in all directions

For the following statement, say whether it describes a solid, a liquid or a gas. Particles are quite close together

For the following statement, say whether it describes a solid, a liquid or a gas. Particles move about very quickly but do not leave the surface

The process by which a solid changes into a liquid is called

A substance which can change its state

A kind of matter which can sublime is

All kinds of matter

There are large intermolecular gaps in

The state of matter which has no definite shape or volume is called

Which one is a kind of matter

____ is an example of a crystalline substance.

The conversation of vapour into a liquid is called ____.

The space between atoms in gases is maximum while in ____ is minimum,

Solids and liquids have a definite ____ but gases do not.