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Chemistry

Chemistry
Which of the following is ozone depleting pesticide ?

Methyl bromide
Ethylene ozonide
D.T.
Benzene

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Chemistry
Tetra ethyle lead (TEL) is

An antioxidant
A reductant
A catalyst in burning fossil fuel
An antiknock compound

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Chemistry
Milk is a

Mixture
None of these
Metal
Element

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Chemistry
The gas used to extinguish fire is

Nitrogen
Carbon monoxide
Neon
Carbon dioxide

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Chemistry
Which of the following is a monoatomic gas?

Fluorine
Neon
Oxygen
Nitrogen

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Chemistry
The main source of Naphthalene is

Diesel
Coal-tar
Camphor
Charcoal

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