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Chemistry

Chemistry
The Bhopal tragedy was caused by the gas

Chlorine
Carbon monoxide
Methyl isocyanate
Phosgene

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Chemistry
Coal is formed from

Coke
Deposit of animal waste
Compressed and hardened biomass
Crude oil

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Chemistry
The monomers of dacron are

Decane and decanol
Decanone and decanol
Ethylene glycol and terephthalic acid
Ethylene glygol and phthalic acid

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Chemistry
Which of the following is used as a preservative to protect processed food?

Saccharin
BHT
Sodium sulphate
Sodium metabisulphite

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Chemistry
Which is the heaviest metal among the following?

Copper
Gold
Iron
Silver

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Chemistry
Periodic table contains how many groups

16
17
19
18

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