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Chemistry

Chemistry
The Fungus which is used in the alcohol industry is

Yeast
Rhizopus
Candida Aibicans
Mushroom

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Chemistry
The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is

chain isomerism
metamerism
functional group isomerism
positional isomerism

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Chemistry
The percentage of oxygen in air is approximately

0.21
1
0.78
0.01

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Chemistry
The gas that causes suffocation and death when coal or coke is burnt in a closed room is

Methane
Carbon monoxide
Ethane
Carbon di-oxide

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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

B
A
D
C

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Chemistry
What is the covalency of nitrogen in ammonia molecule

5
2
4
3

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