Acid rain is caused by the pollution of environment by
A. Carbon monoxide and Carbon dioxide
B. Ozone and Carbon dioxide
C. Nitrous oxide and Sulphur dioxide
D. Carbon dioxide and Nitrogen
Answer: Option C
A. Carbon monoxide and Carbon dioxide
B. Ozone and Carbon dioxide
C. Nitrous oxide and Sulphur dioxide
D. Carbon dioxide and Nitrogen
Answer: Option C
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality
B. molarity
C. normality
D. formality
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