Question : Oxides of _____ and _____ dissolve in rainwater and form an acid called acid rain.
Option 1: Phosphorous, Sulphur
Option 2: Sulphur, Nitrogen
Option 3: Carbon dioxide, Methane
Option 4: Calcium, Magnesium
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Correct Answer: Sulphur, Nitrogen
Solution : The correct option is Sulphur, Nitrogen.
Oxides of sulphur (SO2) and Oxides of Nitrogen (NO3) dissolve in rainwater, forming sulphuric acid (H2SO4) and nitric acid (HNO3). This phenomenon, known as acid rain, has detrimental environmental effects, harming ecosystems, aquatic life and soil quality. It is a consequence of industrial emissions and combustion processes, contributing to environmental pollution.
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Question : Dry ice is
Option 1: Solid ammonia
Option 2: Solid sulphur dioxide
Option 3: Dry carbon dioxide
Option 4: Solid carbon dioxide
Question : Which of the following is not a greenhouse gas?
Option 1: Nitrogen
Option 2: Methane
Option 3: Carbon dioxide
Option 4: Nitrous oxide
Question : Milkiness observed on passing of carbon dioxide through lime water is due to the formation of:
Option 1: calcium hydroxide
Option 2: calcium bicarbonate
Option 3: calcium carbonate
Option 4: calcium chloride
Question : Insectivorous plants grow in soil deficient in ______.
Option 1: calcium
Option 2: nitrogen
Option 3: magnesium
Option 4: water
Question : The chief source for the production of nitrogenous fertilizers is:
Option 1: Ammonia
Option 2: Nitric acid
Option 3: Nitrogen
Option 4: Nitrogen dioxide
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