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Chemistry

Chemistry
The fiber least prone to catch fire is

Terylene
Nylon
Cotton
Polyester

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Chemistry
The acid which fails to liberate carbon dioxide from sodium bicarbonate is :

Carbonic acid
Acetic acid
Sulphuric acid
Formic acid

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Chemistry
Which one element from below list is liquid at room temperature

Lead
Bromine
Argon
Zinc

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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
Neoprene is a polymer of

Isoprene
Isopentane
Isobutane
Chloroprene

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Chemistry
White phosphorus is generally kept under

Glycerine
Kerosene oil
Alcohol
Water

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