Question # 1

Which process is responsible for ascending of water in roots:

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evaporation

transpiration

condensation

capillary action

Which organ cause to function during Jaundice?

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Liver

Kindney

Stomach

Large intestine.

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

Swimming pools are cleaned by the process.

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Chlorination

Hydrogenations

Saponification

None of them

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

Water molecule had a structure;

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non-polar

polar

ionic

tetrahedral

the removal of which ion causes water softening.

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Na⁺

Mg²

Li⁺

K⁺

Temporary hardness can be removed by__________.

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Quick lime

Slaked lime

Lime stone

HCl

Sea water in unfit for drinking purpose die to the presence of.

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Salts

Algae

Fishes

All of them

How many percentage to water contains oceans?

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67%

77%

87%

97%

Sodium zeolite is resin of:

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NaAl(SiO₃)₂

KAl(SiO₃)₂

LiAl(SiO₃)₂

RbAl(SiO₃)₂

Chemical form of gypsum.

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MgSO₄. 5H₂O

CaSO₄. 2H₂O

FeSO₄. 5H₂O

CuSO₄. 5H₂O

Inland water includes.

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River

Lakes

Streams

All of them

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