GENERAL SCIENCE QUIZ

Quartz crystals normally used in quartz clocks etc. is chemically

Sodium Silicate

Silicon Dioxide

Germanium Oxide

A mixture of Germanium Oxide and Silicon dioxide

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Knot is a unit of speed of which of the following?

Sound waves

Light waves

Aeroplane

Ship

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Which of the following is the lightest metal?

Mercury

Lead

Lithium

Silver

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A chronometer measures:

Water waves

Colour contrast

Sound waves

Time

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In which of the following activities silicon carbide is used?

Making casts for statues

Making cement and glass

Disinfecting water of ponds

Cutting very hard substances

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Optic fibers are mainly used for which of the following?

Food industry

Weaving

Communication

Musical instruments

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In vulcanisation, natural rubber is heated with

Sulphur

Carbon

Silicon

Phosphorous

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Which among the following is a positively charged particle emitted by a radioactive element?

Alpha ray

Beta ray

Gamma ray

Cathode ray

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Which of the following are the ingredients of gun metal?

Iron, Zinc and Titanium

Iron, Brass and Tin

Copper, Tin and Zinc

Iron and Tin

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The age of most ancient geological formations is estimated by

Ra - Si method

Potassium - argon method

Uranium - lead method

C14 method

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