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Chemistry

Chemistry
Atoms having the same number of protons but different number of neutrons are called :

Anions
Higgs-boson
Cations
Isotopes

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Chemistry
Chemical name of common salt is

Sodium Chloride
Sodium Bicarbonate
Sodium Oxide
Sodium

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Chemistry
Silver nitrate solution is kept in brown bottles in laboratory because

Brown bottles do not react with it
Brown bottles stops the passage of light through it
It reacts with ordinary white bottles
Brown bottles react with it

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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

C
D
B
A

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Chemistry
How many electrons can be accommodated in d-orbital

3
10
8
6

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Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Invertase
Diastase
Zymase
Maltase

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