Balloons are filled with

A process in which liquid changes into vapor or gas by boiling, is called

Air is a mixture of

The crystals of dry ice that keep things cold are a solid state of

Breakdown or formation of compound involves

A substance which is made by mixing two elements without being chemically combined is called a

_________________ substances can dissolve in a liquid.

Pepper is an example of a substance that is __________________ in water.

When a soluble substances dissolves, it usually leaves behind a __________________ liquid and we cannot ___________________ it.

Which substances are insoluble in water? (choose TWO answers)

Which substances are soluble in water? (choose TWO answers)

Salt dissolves in water so it dissolves in all liquids.

_________________ substances cannot dissolve in a liquid.