1 Write a word equation for the reaction ... 5 Repeat steps 3 and 4 until the chemical equation is balanced.

The processes like crystallisation, boiling, vaporisation, burning of colour, melting point, hardness etc, are called physical changes. These are reversible in nature. The processes like ...

The formula can be worked out using the valency. Balanced equations Chemical equations must be balanced so that the quantities of reactants and products match. For an equation to be balanced there ...