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Chemistry

Chemistry
Main source of lead pollution is from

Leaded gasoline
Sewage
Insecticides
Tobacco

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Chemistry
What are the major pollutants of cigarette smoke?

Carbon monoxide and dioxin
Carbon monoxide and benzene
Dioxin and benzene
Carbon monoxide and nicotine

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Chemistry
Which of the following substance is highly plastic ?

Clay
Granite
Quartz
Mica

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Chemistry
Element 106 was discovered by

Kurchatove
Seaborg
Rutherford
Lawrence

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Chemistry
Sulphur dioxide bleaches colouring matter by :

Decomposition
Oxidation
Dehydration
Reduction

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Chemistry
Water gas is the combination of

CO2 and CO
CO and H2O
CO2and H2
CO and H2

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MORE MCQ ON Chemistry

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