MCQ

MCQ 11 Mark

Water fit for human consumption and drinking purposes is called ____________

A
distilled water
✓
potable water
C
rain harvested water

Answer

Correct option: B.

potable water

Water fit for human consumption and drinking purposes is called potable water.

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MCQ 21 Mark

Chlorination of water is done

✓
to kill the germs
B
to remove the suspended impurities
C
to remove the dissolved impurities
D
none of the above

Answer

Correct option: A.

to kill the germs

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MCQ 31 Mark

Jaundice affects

A
heart
B
lungs
✓
liver
D
kidney

Answer

Correct option: C.

liver

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MCQ 41 Mark

Common salt is obtained from sea water by

A
distillation
B
crystallisation
✓
evaporation
D
sublimation

Answer

Correct option: C.

evaporation

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MCQ 51 Mark

Water is a

✓
compound
B
element
C
mixture
D
none of the above

Answer

Correct option: A.

compound

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MCQ 61 Mark

When the water vapour changes into tiny droplets of water near the ground, it is called

A
mist
B
dew
✓
fog
D
frost

Answer

Correct option: C.

fog

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MCQ 71 Mark

The purest form of natural water is

A
seawater
B
river water
✓
rainwater
D
lake water

Answer

Correct option: C.

rainwater

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MCQ 81 Mark

Water content in the human body is

✓
$70\%$
B
$75\%$
C
$80\%$
D
$90\%$

Answer

Correct option: A.

$70\%$

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CHEMISTRY MCQ

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