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Chemistry

Chemistry
Nitrogen is an essential constituent of all :

Vitamins
Carbohydrates
Proteins
Fats

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Chemistry
Synthetic detergents are prepared from

Hydrocarbons of petroleum
Potassium salts of higher fatty-acids
Sodium salts of higher fattyacids
Glycerides

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Chemistry
Chemical name of common salt is

Sodium
Sodium Chloride
Sodium Bicarbonate
Sodium Oxide

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Chemistry
The elements in the modern Periodic table are arranged according to their

Atomic number
Atomic Weight
Mass number
Neutron number

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Chemistry
Which one of the following contributes largely to the ‘green house effect’ ?

Ozone
Water vapour
Carbon dioxide
Carbon monoxide

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Chemistry
Hardness of the water is commonly measured in terms of

Calcium sulphate equivalents
Magnesium carbonate equivalents
Calcium carbonate equivalents
Magnesium sulphate equivalents

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MORE MCQ ON Chemistry

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