Write balanced chemical equation for the following reaction :
Natural gas burns in air and combines with oxygen to form carbon dioxide and water.

(a) Why is it necessary to balance a chemical equation ? (b) Write the balanced chemical equations for the following reactions : (i) Natural gas burns in air and combines with oxygen to form carbon dioxide and water. (ii) During respiration, glucose combines with oxygen and forms carbon dioxide and water along with the release of energy.

Write balanced chemical equations for the following reaction Burning of Aluminium in air

Write balanced chemical equations for the following reaction Zinc carbonate is calcined

Write balanced chemical equations for the following reaction Cinnabar is heated in the air.

Write the balanced chemical equations with state symbols for the following reactions : Ethane burns in oxygen to form carbon dioxide and water (gas).

Write a balanced chemical equation for the following chemical reaction : Magnesium burns in oxygen to from magnesium oxide.

Write balanced chemical equations for the following reactions : Hydrogen sulphide gas burns in air to give water and sulphur dioxide (ii) Barium chloride reacts in aqueous solution reacts with zinc sulphate to give zinc chloride and barium sulphate.

Write balanced chemical equations for the following reaction Reduction of lead (II) oxide by carbon

Write balanced chemical equations for the following reactions : (i) Hydrogen sulphide gas burns in air to give water and sulphur dioxide. (ii) Sodium hydroxide solution is heated with granulated zinc.