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

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

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

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

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

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

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

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

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