General Science MCQs

140 questionsGeneral-KnowledgePage 6 of 16

Practice free General Science multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 140 questions — no login required.

Question 46easy
The filament of an electric bulb is made of
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Question 47medium
Diamond is an allotropic form of:
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Question 48easy
In fireworks, the green flame is produced because of
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Question 49medium
Permanent hardness of water can be removed by adding:
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Question 50medium
Marsh gas is
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Question 51hard
LPG consists of mainly:
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Question 52medium
Air is a/an:
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Question 53medium
Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?
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Question 54medium
Balloons are filled with
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