General Knowledge MCQ - English
The hardest substance available on earth is
Gold
Iron
Diamond
Platinum
Answer : C
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1) What is the unit for measuring the amplitude of a sound?
2) Paper is manufactured by
Wood and resin
Wood, sodium and bleaching powder
Wood, calcium, hydrogen sulphite and resin
Wood and bleaching powder
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3) Which of the following are the ingredients of gun metal?
4) Which of the following has a least penetrating power?
5) One horse power is equal to
