Glycol is added to aviation gasoline because it
A. Reduces evaporation of petrol
B. Increases efficiency of petrol
C. Prevents freezing of petrol
D. Reduces consumption of petrol
Answer: Option C
A. Reduces evaporation of petrol
B. Increases efficiency of petrol
C. Prevents freezing of petrol
D. Reduces consumption of petrol
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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