Question # 1

The process by which water rises up from the roots of plants to leaves is called.

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Photosynthesis

Respiration

Surface tension

Capillary action

Which gas is used to destroy harmful bacteria in water?

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Iodine

Chlorine

Flourine

Bromine

Clark's method is used to remove the hardness of water, in this method which is used.

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Ca(HCO₃)₂

Na-Zeolite

Ca-Zeolite

Ca(OH)₂

The percentage of water in human body is.

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40%

50%

60%

70%

Permanent hardness can be removed by using .

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Soda lime

Sodium Zeolite

Quick lime

Lime water

Which disease cause when humans use water of industrial effluents.

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Cancer

Asthma

Jaundice

cholera

Vibrious cholera bacteria causes the disease

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Cholera

Diarrhea

Jaundice

Hepatitis

Which is not a heavy metal.

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Cadmium

Lead

Zinc

Murcury

The depletion of which gas results in the death of aquatic life.

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Oxygen

Carbon di oxide

Boath of them

Nome of them

Boiling point of water is:

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0^oC

25^oC

80^oC

100^oC

Acute lead poisoning causes dysfunction of.

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Kidney

Liver

CNS

All of them

Mg²⁺ and Ca²⁺ ions react with soap to form calcium and magnesium salts of fatty acids called.

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Gelatin

Scum

Paste

None of them

Hook worm infects.

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Liver

Small intestine

Large intestine

Stomach

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10th Class Chemistry Chapter 15 Water English Medium KPK Boards Online Mcqs MCQs With Answers

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