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Chemistry

Chemistry
An inert gas mixed with oxygen given to patients suffering from restricted breathing is

Argon
Radon
Helium
Krypton

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Chemistry
"Paramagnetism" is the property of

Paired electrons
Completely vacant electronic subshells
Completely filled electronics subshells
Unpaired electrons

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Chemistry
The presence of Cobalt in Vitamin B12 was established for the first time by

Sodium Nitroprusside test
Borax-Bead test
Spectroscopy
Hydrolysis test

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Chemistry
How many neutrons does iron have

13
30
8
26

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Chemistry
Which one is the most dense liquid from the below

Gasolin
Water
Choloform
None of these

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Chemistry
The unit of ionic product of water (Kw) is :

Mol2 let-2
Mol-1 let-1
Mol2 let-1
Mol-1 let-2

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MORE MCQ ON Chemistry

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