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Chemistry

Chemistry
What is the chemical symbol of mercury

Mr
Mg
Hg
None of these

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Chemistry
The maximum number of covalent formed by nitrogen is

1
2
4
3

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Chemistry
Muscle fatigue is caused by the accumulation of :

Uric acid
Oxalacetic acid
Pyruvic acid
Lactic acid

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Chemistry
Match the List-I with List-II and select the correct answer using the codes given belowList-I (Vitamin)List-II(Chemical compound)F.Vitamin A1.ThiaminG.Vitamin B12.RetinolH.Vitamin C3.Ascorbic acidJ.Vitamin E4.TocopherolCodes :FGHJA.4132B.2314C.4312D.2134

D
C
B
A

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Chemistry
Sour taste of ‘Coca Cola’ is due to the presence of

Hydrochloric acid
Phosphoric acid
Acetic acid
Formic acid

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Chemistry
Which is not an anasthetic agent in surgical operations?

Ether
Acetone
Nitrous oxide
Chloroform

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