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Chemistry

Chemistry
Which gas is used for converting vegetable oils into saturated fats ?

SO2
Cl2
H2
O2

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Chemistry
The process of removing calcium and magnesium from hard water is known as

Flocculation
Sedimentation
Water softening
Filtration

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Chemistry
The most abundant element is

Calcium
Silicon
Nitrogen
Oxygen

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Chemistry
Sour taste of ‘Coca Cola’ is due to the presence of

Formic acid
Phosphoric acid
Hydrochloric acid
Acetic acid

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Chemistry
Aspirin is

Acetyl Salicilic acid
Phenyl Salicilate
Methoxy benzoic acid
Methyl Salicilate

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Chemistry
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

4.84 x 1017
6.023 x 1023
6.023 x 1019
1.568 x 103

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MORE MCQ ON Chemistry

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