Chemical reaction result in _________________ change

Copper sulphate is ________________ in color.

Rusting of iron takes place faster with the contact of

Copper combines with _________________ to form copper oxide.

________________ equation joins the reactants and products of a chemical reaction

What is liberated when sodium reacts with water

Substance taking part in a reaction are called

Reactants are written on ______________ side of chemical equation.

Occurring of day and night is a _______________ change.

Chemical changes are also called ______________.