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Chemistry

Chemistry
The percentage of carbon in cost iron is :

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

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Chemistry
Nitric acid does not react with

Gold
Iron
Copper
Zinc

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Chemistry
The material used in the manufacture of lead pencil is

Mica
Lead
Carbon
Graphite

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Chemistry
The most abundant element by number in the living system is :

Oxygen
Hydrogen
Carbon
Nitrogen

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Chemistry
The National Chemical Laboratory is situated in

Pune
New Delhi
Patna
Bangalore

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Chemistry
A subshell with l=2 can take up

10 electron
5 electron
3 electron
8 electron

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MORE MCQ ON Chemistry

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