Air is said to be saturated when :
A. It contains maximum content of water vapour
B. Its pressure is minimum
C. Its thickness is maximum
D. It blows over the barren land
Answer: Option A
A. It contains maximum content of water vapour
B. Its pressure is minimum
C. Its thickness is maximum
D. It blows over the barren land
Answer: Option A
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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