Identify the Gas D is a colourless gas which can be used as a bleaching agent.
Carbon dioxide
Chlorine
Sulphur dioxide
Ammonia
Nitrous oxide
Nitric oxide
Which of the following is not a greenhouse gas?
(a) carbon dioxide
(b) nitrous oxide
(c) methane
(d) nitrogen
State what information is provided by the formula of calcium hydroxide Ca( OH) 2.
Give the formula for: a) hydrogen chloride
b) ammonia c) carbon monoxide d) nitric acid e) nitrous oxide f) nitrogen dioxide g) nitrogen h) sulphur