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Chemistry

Chemistry
Which of the following is used to remove ink and rust stains on cloth?

Alcohol
Oxalic acid
Ether
Kerosene oil

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Chemistry
A non-electronic conductor is

None of these
Gas Carbon
Copper Sulphate
Iron

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Chemistry
Which one of the following has a maximum tendency to form M3 ion ?

Bi
P
As
N

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Chemistry
What do you understand by the term Espuma ?

Salt
Calcium
Foam
Soap

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Chemistry
What is the maximum Water Vapour content in the atmosphere?

5 to 6 per cent
3 to 4 per cent
2 to 3 per cent
4 to 5 per cent

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Chemistry
Basicity of boric acid, H3BO3 is

3
2
5
4

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MORE MCQ ON Chemistry

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