Mention few physical properties of a substance.

Mention the physical properties of boranes.

True or False - If False give the correct answer : If the chemical properties of a substance remain unchanged and the appearance or shape of a substance changes it is called a periodic change.

Mention any five chemical properties of alkanes.

Write any four physical properties of base .

Write any four physical properties of acids.

Mention the properties of a magnet.

Mention any two properties of water.

Mention the properties of charges.

Write the physical properties of non - metals.