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Chemistry

Chemistry
Denatured spirit is ethanol mixed with

Pyridine
Water
Petrol
Kerosene

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Chemistry
The element which is used for vulcanizing rubber

Sulphur
Bromine
Silicon
Phosphorus

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Chemistry
The major constituent of gobar gas is

Methane
Carbon dioxide
Butane
Isobutane

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Chemistry
In an oxygen molecule, two atoms are united by

Four bonds
One bond
Three bonds
Two bonds

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Chemistry
Which is not an anasthetic agent in surgical operations?

Chloroform
Ether
Nitrous oxide
Acetone

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Chemistry
Which of the following is the maximum number of electrons that can be present in M-shell?

18
8
32
2

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