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Chemistry

Chemistry
The metal does not give H2 on treatment with dilute HCL is

Ag
Fe
Ca
Zn

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Chemistry
Maximum permissible concentration of copper in drinking water in mg/L is

0.05
2
0.01
1

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Chemistry
Which variety of coal contains recognisable traces of the original plant material ?

Bitumen
Peat
Anthracite
Lignite

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Chemistry
Saccharin is made up of

Phenol
Propane
Butane
Toluene

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Chemistry
Bleaching powder is prepared by passing :

Carbon dioxide over slaked lime
Chlorine over quick lirne
Chlorine over slaked lime
Oxygen over slaked lime

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Chemistry
Bridgmanite is

Name of a music
A bridge on the river Thames
Name of a game
Earth’s most abundant minera

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