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Chemistry

Chemistry
The percentage of carbon in cost iron is :

6 to 8
0.5 to 1.5
0.01 to 0.25
3 to 5

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Chemistry
Which of the following is the strongest base in aqueous solution ?

Triethylamine
Ammonia
Ethylamine
Diethylamine

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Chemistry
The percentage of Nitrogen in Air is

0.94
85.02
78.03
0.03

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Chemistry
The lightest gas which is non-inflammable is

Helium
Nitrogen
Oxygen
Hydrogen

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Chemistry
The nuclear particle having no mass and no charge, but only spin is

Meson
Neutrino
Proton
Electron

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Chemistry
A detergent is a

Catalyst
Drug
Soap
Cleansing agent

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MORE MCQ ON Chemistry

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