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Chemistry

Chemistry
The Bhopal tragedy was caused by the gas

Chlorine
Phosgene
Carbon monoxide
Methyl isocyanate

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Chemistry
The iron ore which contains 72% of iron is :

Magnetite
Siderite
Haematite
Limonite

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Chemistry
The lowest layer of earth's atmosphere is

Ionosphere
Mesosphere
Stratosphere
Troposphere

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Chemistry
Which among the following is used as a catalyst in the production of high octane fuels?

HF
HCl
HNO3
H2SO4

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Chemistry
Earth’s atmosphere is an envelope of gases extending to a height of

100 km
200 km
150 km
300 km

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Chemistry
The depletion in Ozone layer is caused by ________ .

Nitrous oxide
Chlorofluorocarbons
Methane
Carbon dioxide

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MORE MCQ ON Chemistry

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