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General Science MCQ - Multiple Choice Question and Answer

General Science MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
Which of the following is the lightest metal ?

Mercury
Lithium
Lead
Silver

Question No : 9
The element present in the largest amount in rocks and minerals is

Carbon
Hydrogen
Aluminium
Silicon

Question No : 10
The property of a substance to absorb moisture from the air on exposure is called

Desiccation
Efflorescence
Deliquescene
Osmosis

Question No : 11
Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere in future?

Atomic warfare
Depletion of earth's ozone layer
CO2 from fossil fuels
Dust clouds from valcanoes

Question No : 12
The accumulation of stress along the boundaries of lithospheric plates results in which of the following?

Earthquakes
Magnetic reversals
Hurricanses
Increased deposition of deep-sea sediments

Question No : 13
Which of the following is in liquid form at room temperature ?

Sodium
Cerium
Francium
Lithium

Question No : 14
Quartz crystals normally used in quartz clocks etc. is chemically

A mixture of B and C
Silicon dioxide
Germenium dioxide
Sodium Silicate