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Chemistry

Chemistry
Pollutant from motor car exhaust that causes mental disease is

Hg
Lead
NO2
SO2

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Chemistry
Sodium is produced by the electrolysis of

Its cyanide complex
Molten sodium chloride
Molten sodium carbonate
Aqueous brine solution

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Chemistry
Which of the following in automobile exhaust can cause cancer?

Carbon monoxide
Lead
Polyclinic hydrocarbons
Oxides of nitrogen

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Chemistry
Molality of pure water is

1.8
18
5.55
55.5

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Chemistry
The inherited traits of an organism are controlled by

DNA molecules
RNA molecules
enzymes
nucleotides

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Chemistry
Type metal used in printing press is an alloy of

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

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MORE MCQ ON Chemistry

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