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Chemistry

Chemistry
In silvery paints, the main constituent present is

White lead
Lead powder
Aluminium powder
Silver powder

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Chemistry
Pollutant from motor car exhaust that causes mental disease is

Lead
NO2
Hg
SO2

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Chemistry
Which one of the following organic compounds has fruity smell?

Alcohol
Ether
Ester
Aldehyde

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Chemistry
Mixture can be

Heterogeneous
Homogeneous
Pure substance
Both A and B

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Chemistry
The polymer used in making plastic crockery is

Nylon
Melamine
Decron
Bakelite

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Chemistry
Which among the following is used to dilute oxygen in the gas cylinders used by divers ?

Neon
Argon
Helium
Krypton

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