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

Question # 1

Which disease cause when humans use water of industrial effluents.

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Cancer

Asthma

Jaundice

cholera

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Question # 2

Salt makes the water permanently hard.

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CaSO₄

Ca(HCO₃)₂

NaHCO₃

NaCO₃

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Question # 3

Hookworm is a parasite that infects the:

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large intestine

small intestine

stomach

liver

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Question # 4

Fertilizers are used to make up the deficiency of;

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oxygen and carbon

iron and magnesium

nitrogen and phosphorus

hydrogen and calcium

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Question # 5

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

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Question # 6

Which disease is caused by polluted water.

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Cholera

Typhoid

Diarrhea

All of them

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Question # 7

Some organic compound are soluble in water due to the presence of .

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-OH

H⁺

Botha a and b

Covalent bond

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Question # 8

Which one of the following gases is used to destroy harmful bacteria in water.

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Iodine

Chlorine

Fluorine

Bromine

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Question # 9

Which organ cause to function during Jaundice?

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Liver

Kindney

Stomach

Large intestine.

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Question # 10

The removal of Mg⁺² and Ca⁺² Ion which are responsible for the hardness of water is called.

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Temporary hardness

Permanent hardness

Water softening

Hydrogen bonding

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Question # 11

Which ion cause water hardness?

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Al²

Mg²

Fe²

Na²

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Question # 12

Which one of the following disease causes severe diarrhea and can be fatal:

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Jaundic

Dysentery

Cholera

Typhoid

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Question # 13

Hook worm infects.

Choose an answer

Liver

Small intestine

Large intestine

Stomach

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