GENERAL SCIENCE QUIZ

Potassium nitrate is used in

Salt

Medicine

Glass

Fertilizer

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According to Avogadro's Hypothesis, the smallest particle of an element or a compound, that can exist independently, is called:

A molecule

An anion

An atom

A cation

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The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is

Krypton

Xenon

Argon

Helium

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The main constituents of pearls are

Calcium Oxide and Ammonium Chloride

Aragonite and Conchiolin

Calcium Carbonate and Magnesium Carbonate

Ammonium Sulphate and Sodium Carbonate

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Diamond is an allotropic form of

Sulphur

Germanium

Carbon

Silicon

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The type of glass used in making lenses and prisms is

Pyrex glass

Flint glass

Soft glass

Jena glass

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The gas usually filled in the electric bulb is

Oxygen

Nitrogen

Hydrogen

None of the listed here

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Most soluble in water is

Camphor

Sulphur

Common salt

Sugar

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The two elements that are frequently used for making transistors are

Silicon and Germanium

Boron and Aluminium

Iridium and Tungsten

Niobium and Columbium

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Kilowatt is a unit to measure

Work

Electricity

Power

Current

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