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Chemistry

Chemistry
Which acid is used in Lead storage battery?

Nitric acid
Hydrochloric acid
Acetic acid
Sulphuric acid

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Chemistry
The hottest part of the gas flame is known as

non-luminous zone
luminous zone
dark zone
blue zone

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Chemistry
The green colour seen in firework displays is due to the chloride salt of :

Sodium
Barium
Calcium
Strontium

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Chemistry
The heat energy produced when the human body metabolises 1 gram of fat is

30 KJ
39 KJ
1 KJ
29 KJ

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Chemistry
By-product obtained by soap industry is

Caustic potash
Glycerol
Caustic soda
Naphthalene

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Chemistry
Mercury is emitted into air by

Coal fire
Burning garbage
Burning coal
Steam engine

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MORE MCQ ON Chemistry

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