The basic form of matter that cannot be broken down into simpler substances in chemical reactions is …

Some liquids have the property of mixing in all proportions, forming a homogeneous solution. This property is known as …

… is the main factor in separating two immiscible liquids.

… are heterogeneous mixtures in which the particle size is too small to be seen with the naked eye but is big enough to scatter light.

Air is a ……

Nail polish is a ……

Sodium is an …

Methane is an ……

Steel is a …

Cold cream is ……

All the solutions are ‘x’s. But not all ‘x’s are solutions. Guess the ‘x’.

If a solution is diluted, the path of the light beam is

‘A’ is a mixture. No particles are settled down when it left undisturbed for sometime. Light beam is visible through it. Guess the ‘A’.

Take concentrated solution of copper sulphate in a beaker. Drop a piece of aluminium foil in it. Then,

Copper cannot be separated from copper sulphate by physical methods. So, it is