Question # 1

Which organ cause to function during Jaundice?

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Liver

Kindney

Stomach

Large intestine.

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

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Two

Three

Four

Six

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

Water which produces good lather with soap is called.

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Soft water

Hard water

Heavy water

All of them

The percentage of potable water on earth is.

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2%

0.2%

0.02%

0.002%

Which is not a heavy metal.

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Cadmium

Lead

Zinc

Murcury

Which of the following in insoluble in water.

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Benzene

NaCl

KCl

All of them

Salt makes the water permanently hard.

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CaSO₄

Ca(HCO₃)₂

NaHCO₃

NaCO₃

The percentage of water in human body is.

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40%

50%

60%

70%

Temporary hardness is because of .

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Ca(HCO₃)₂

CaCO₃

MgCO₃

MgSO₄

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

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Iodine

Chlorine

Fluorine

Bromine

Gypsum in water is.

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Sparingly soluble

Insoluble

Highly soluble

None of them

Cholera is caused by

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Protozoa

Virus

Bacteria

Fungi

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