Question # 1

Temporary hardness is removed by adding.

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Quick lime

Slaked lime

Lime stone

Lime water.

The process of removing temporary hardness of water.

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Clark's method

Washing soda method

Sodium zeolite

Filteration method

Cause of diarrhoea among following is:

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Diarrhea

Cholera

Cryptosporidium

Typhoid

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 has a maximum density at .

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10^oC

0^oC

4^oC

100^oC

Which hepatitis is caused by contaminated water?

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Hepatitis A

Hepatitis B

Hepatitis C

Hepatitis D

Neurological damage is caused by the poisoning of.

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Lead

Cadimium

Mercury

All of them

Which one of the diseases causes severe diarrhea and can be fatal?

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Jaundice

Dysentery

Cholera

Typhoid

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

The density of water is ................. at 4^oC

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1 gcm^-1

2 gcm^-1

3 gcm^-1

4 gcm^-1

Which disease cause liver inflammation?

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Typhoid

Jaundice

cholera

Hepatitis

Which organ cause to function during Jaundice?

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Liver

Kindney

Stomach

Large intestine.

Gypsum in water is.

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Sparingly soluble

Insoluble

Highly soluble

None of them

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