Science Quiz 50

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

15
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Chemical formula for water is?

Correct! Wrong!

The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of?

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Heavy water is?

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The filament of an electric bulb is made of?

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Potassium Permanganate is used for purifying drinking water, because?

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The most important ore of aluminium is?

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From which mineral is radium obtained?

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Which of the following is used in pencils ?

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Science Quiz 50
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