______________ is a homogeneous solid in solid mixture.

__________ are also known as chemical compounds.

_______________ are classified as metals non-metals and metalloids.

___________ expect solutions are heterogeneous.

During the preparation of __________ energy such as heat, light and electricity is neither absorbed nor evolved.

__________ of an element is an abbrevation for its full name.

A mixture containing potassium nitrate, sulphur and charcoal is called

_________ is a metalloid.

______________ are the basic constituents of all matter.

___________ are the substance present in a mixture.