Question # 1

Water become hard because of:

Choose an answer

Ca+2

Mg+2

SO-24

all of these

Freezing point of water is:

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-4°C

0°C

-36°C

-58°C

Temporary hardness of water is removed by adding.

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Ca(OH)₂

NaOH

KOH

CaSO₄

Which one of the properties of water is responsible for rising of water plants?.

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Specific heat capacity

Surface tension

Excellent solvent action

Capillary action.

Temporary hardness in water can he removed by.

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Boiling Method

Using washing soda

Using sodium zeolite

All of them

Neurological damage is caused by the poisoning of.

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Lead

Cadimium

Mercury

All of them

Sodium zeolite is naturally occurring reason of .

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NaAl (SiO₃)₂

Na₂CO₃

CaCO₃

Na₂SIO₃

Which disease cause liver inflammation?

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Typhoid

Jaundice

cholera

Hepatitis

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

Which one of the following diseases causes liver inflammation?

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Typhoid

Jaundice

Cholera

Hapatitis

The heat capacity of water is.

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4.2 Jg^-1 K^-1

2.1 Jg^-1K^-1

3.2 Jg^-1K^-1

5.9 Jg^-1K^-1

Cause of diarrhoea among following is:

Choose an answer

Diarrhea

Cholera

Cryptosporidium

Typhoid

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