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Chemistry

Chemistry
Which of the following is used in making smoke bombs?

Phosphorus
Hydrogen
Carbon
Sulphur

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Chemistry
The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of

an elimination reaction
an addition reaction
an oxidation reaction
a condensation reaction

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Chemistry
Greenhouse effect is caused by

Nitrogen
Carbon monoxide
Carbon dioxide
Nitrogen dioxide

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Chemistry
Global warming is mainly due to accumulation of

Carbon dioxide
Carbon monoxide
Oxides of sulphur
Oxides of nitrogen

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Chemistry
Type metal used in printing press is an alloy of

Lead and bismuth
Lead and copper
Lead and zinc
Lead and antimony

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Chemistry
Who is known as the 'father of modern chemistry'

John Dalton
Antoine Lavoisier
Democritus
Robert Boyle

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MORE MCQ ON Chemistry

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