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Chemistry

Chemistry
Isobars are lines joining places having equal

Rainfall
Pressure
Population
Height above sea-level

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Chemistry
Bleaching action of moist sulphur di-oxide is because of its

Acidic property
Basic property
Reducing property
Oxidising property

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Chemistry
The polymer used in making plastic crockery is

Bakelite
Nylon
Melamine
Decron

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Chemistry
This group of alumino-silicate minerals is widely used in making electrical insulators

Mica
Manganese
Chromite
Bauxite

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Chemistry
Nitrogen fixation is a process of

Assimilation of nitrate
Conversion of organic nitrogen to proteins
Conversion of molecular nitrogen to ammonia
Utilisation of nitrogen gas

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Chemistry
Bridgmanite is

Name of a game
A bridge on the river Thames
Name of a music
Earth’s most abundant minera

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