General Science MCQs

140 questionsGeneral-KnowledgePage 8 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 64hard
Potassium Permanganate is used for purifying drinking water, because
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Question 65medium
Which of the following is an element?
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Question 66hard
What is the unit for measuring the amplitude of a sound?
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Question 67easy
Reading of a barometer going down is an indication of
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Question 68easy
Decibel is the unit for
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Question 69hard
One fathom is equal to
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Question 70medium
Fathom is the unit of
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Question 71easy
Light year is a measurement of
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Question 72hard
Very small time intervals are accurately measured by
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