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Science Quiz (for 12 to 16 years old): Quiz 5

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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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The element common to all acids is

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Heavy water is

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Carbon, diamond and graphite are together called

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Monazite is an ore of

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Non stick cooking utensils are coated with

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