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Chemistry

Chemistry
Supersonic jet causes pollution by thinning of

SO2 layer
CO2 layer
O 2 layer
O3 layer

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Chemistry
Which one is the purest form of carbon

Iron
Graphite
Diamond
Coal

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Chemistry
Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission?

China, India, European Union, USA
USA, India, China, European Union
European Union, China, USA, India
China, USA, European Union, India

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Chemistry
Brine refers to :

Sweet water
Starch water
Salt water
Pure water

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Chemistry
Milk is a natural

Emulsion
Mixture
Solution
Suspension

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Chemistry
The most common cause of pollution of air is

Carbon monoxide
Sulphur dioxide
Carbon dioxide
Smoke

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MORE MCQ ON Chemistry

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