Pick the odd one out. Give reason for the same. [1 MARK] nitrogen, oxygen, carbon dioxide.
Oxygen. Nitrogen and carbon dioxide both do not support combustion whereas oxygen does.
Out of the following, pick the gases used by plants - nitrogen, oxygen, carbon dioxide, sulphur dioxide, nitric oxide. Also mention the use. [2 MARKS]
Choose the odd one out. Give reason for the same. [1 MARK] rustling of leaves, flying of kite, making tea
Pick the odd member from the list giving reasons :
(a) Ammonia, sulphur dioxide, hydrogen chloride, carbon dioxide.
(b) Copper oxide, aluminium oxide, sodium oxide, magnesium oxide.