HTML BASIC QUIZ

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

Fluorine

Bromine

Sulphur

Chlorine

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What is laughing gas?

Carbon monoxide

Nitrous Oxide

Sulphur dioxide

Hydrogen peroxide

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Potassium nitrate is used in

Glass

Salt

Fertilizer

Medicine

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Which of the following shows the masses of the three elementary particles in decreasing order?

Leptons, Baryons, Mesons

Mesons, Baryons, Leptons

Leptons, Mesons Baryons

Baryons, Mesons, Leptons

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The hardest substance available on earth is

Diamond

Iron

Gold

None of the listed here

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Paper is manufactured by

Wood, calcium, hydrogen sulphide and resin.

Wood and bleaching powder

Wood and resin

Wood, sodium and bleaching powder

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Reading of a barometer going down is an indication of

Rainfall

Snow

Intense heat

Storm

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The main constituents of pearls are

Calcium Oxide and Ammonium Chloride

Ammonium Sulphate and Sodium Carbonate

Aragonite and Conchiolin

Calcium Carbonate and Magnesium Carbonate

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Light year is a measurement of

Speed of light

Stellar distances

Speed of aeroplanes

Speed of rockets

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Marsh gas is

Nitrogen

Ethane

Methane

Hydrogen

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