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Chemistry

Chemistry
How many electrons can be accommodated in d-orbital

6
10
8
3

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Chemistry
The Bhopal tragedy was caused by the gas

Methyl isocyanate
Phosgene
Chlorine
Carbon monoxide

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Chemistry
When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is

Hydrogen
Carbon dioxide
Oxygen
All of them

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Chemistry
Which one of the following contains maximum percentage of carbon ?

Wrought iron
Cast iron
Stainless steel
High speed steel

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Chemistry
The highest volume of gases in lower atmosphere is comprised of

Carbon dioxide
Nitrogen
Oxygen
Hydrogen

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Chemistry
Electric fuse is an alloy of

Carbon and tin
Zinc and lead
Copper and iron
Tin and lead

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