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Chemistry

Chemistry
Laughing gas is

Nitrous oxide
Nitrogen trioxide
Nitric oxide
Nitrogen pentoxide

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Chemistry
Solder metal is an alloy of

Copper and tin
Lead and antimony
Copper and zinc
Lead and tin

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Chemistry
In electro-refining, the pure metal is deposited on

Cathode
Vessel
Anode
Electrolyte

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Chemistry
Which of the following fibres catches fire least ?

Cotton
Nylon
Rayon
Terricot

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Chemistry
How many neutrons does iron have

26
8
13
30

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Chemistry
Bleaching powder is used in drinking water as a/an

Disinfectant
Coagulant
Antibiotic
Antiseptic

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MORE MCQ ON Chemistry

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