6.1 Methane gas is one of the hydrocarbons that is used as a source of fuels
worldwide. When methane reacts with oxygen, water and carbon dioxide are
formed.
Atoms of water molecules in the above reaction are bonded by a covalent
bond.
6.1.1 Define the term covalent bond. (2)
6.1.2 Write down the balanced chemical equation. (3)
6.2 Consider the following balanced equation of a chemical reaction.
Write down:
6.2.1 The chemical formula of compound X in the above reaction (1)
6.2.2 The type of bond that exists in compound X (1)
6.2.3 The Lewis structure of compound X (2)
[9]