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Chemistry

Chemistry
Which is known as carbolic acid?

Acetic acid
Phenol
Ethanol
Oxalic acid

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Chemistry
Which among the following is a covalent compound ?

Calcium chloride
Carbon tetrachloride
Magnesium fluoride
Sodium chloride

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Chemistry
Helium is added to the oxygen supply of deep sea divers because it is

Less poisonous than nitrogen
Readily miscible with oxygen
Lighter than nitrogen
Less soluble in blood than nitrogen at high pressure

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Chemistry
The working of a dry cell is based on

Spontaneous oxidation-reduction reaction
Electrolysis
Combination reaction
Decomposition reaction

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Chemistry
The metal extracted from Bauxite is :

Aluminum
Copper
Manganese
Silver

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Chemistry
Which one of the following metals does not react with water to produce Hydrogen ?

Cadmium
Lithium
Potassium
Sodium

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MORE MCQ ON Chemistry

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