Question # 1

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 temperature of melting ice in Fahrenheit scale is.

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0 oF

32 oF

100 oF

212 oF

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

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 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 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

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

Centigade scale is also called

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Fehrenheti scale

Fake scale

Absolute scale

Celsius scale

The rise of liquid in the thermomeer is due to.

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Evaporation

Contraction

Expansion

Sublimation

The bulb of the thermometer is filled with.

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Oil

Alcohol

Water

Salt

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

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