Question # 1

Water dissolves non-ionic compound by

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Ion-ion forces

Ion-dipole forces

Dipole -dipole forces

Hydrogen bonding.

Cholera is caused by

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Protozoa

Virus

Bacteria

Fungi

Permanent hardness can be removed by using .

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Soda lime

Sodium Zeolite

Quick lime

Lime water

Which process is responsible for ascending of water in plants from roots to leaf?

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Condensatin

Transpiration

Capillary action

Evaporation

Water which produces good lather with soap is called.

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Soft water

Hard water

Heavy water

All of them

Swimming pools are cleaned by the process.

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Chlorination

Hydrogenations

Saponification

None of them

Water has a maximum density at .

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10^oC

0^oC

4^oC

100^oC

Temporary hardness is removed by adding.

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Quick lime

Slaked lime

Lime stone

Lime water.

How many times the heat capacity of water is greater than that of rocks.

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Two

Three

Four

Six

Temporary hardness in water can he removed by.

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Boiling Method

Using washing soda

Using sodium zeolite

All of them

The percentage of water in human body is about:

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60%

50%

70%

80%

The percentage of potable water on earth is.

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2%

0.2%

0.02%

0.002%

Acute lead poisoning causes dysfunction of.

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Kidney

Liver

CNS

All of them

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Chemistry 10th Class English Medium Unit 15 Online Test MCQs With Answers

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