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Chemistry

Chemistry
The main source of Naphthalene is

Camphor
Coal-tar
Diesel
Charcoal

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Chemistry
Which is the heaviest metal among the following?

Gold
Silver
Iron
Copper

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Chemistry
Which of the following is ozone depleting pesticide ?

Methyl bromide
Benzene
Ethylene ozonide
D.T.

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Chemistry
Silica gel is a

Moisturizer
Flavouring agent
Drying agent
Delicious food

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Chemistry
Burning pyrites ore gives out

Sulphur dioxide gas
Carbon dioxide gas
Nitrogen dioxide gas
Nitric oxide gas

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Chemistry
Milk is a

Mixture
None of these
Metal
Element

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