Question # 1

The bulb of the thermometer is filled with.

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Oil

Alcohol

Water

Salt

When a 10 cm iron rod is heated to hgh tempeature.

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Its volume decreases

Its volume increases

Its density deceases

Its density increses

The temerature o boiling water in centigrade scale is.

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0 oC

32 oC

37 oC

100 oC

The degreee of hotness or coldness is called.

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Thermal contrction

Heat

Thermal Expansion

Temperature

The average energy due to movement of molecules in a substances is called.

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Potenital energy

Electric energy

Kinetic energy

Chemical energy

The contraction of the objects on cooling is due to.

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Reduction in size of the particles

Increase in size of the particles

Increase in inter particles distances

Decrease in inter particle distances

Centigade scale is also called

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Fehrenheti scale

Fake scale

Absolute scale

Celsius scale

The temperature of melting ice in Fahrenheit scale is.

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0 oF

32 oF

100 oF

212 oF

An empty steel container is sealed and heated, which of the following properties of the gas is likely to increase.

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Mass

Pressure

Volume

Density

The energy that transfers from one object to another due to the emperature differce is called.

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Atomic energy

Heat Energy

Light Energy

Sound Energy

The rise of liquid in the thermomeer is due to.

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Evaporation

Contraction

Expansion

Sublimation

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General Science 7th Class English Medium Chapter 10 Online Test MCQs With Answers

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