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Chemistry

Chemistry
The gas used in the artificial ripening of fruits is

Acetylene
Methane
Ethane
Butane

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Chemistry
The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is:

Amino phenyl alanine
Hydroxy phenyl alanine
Phenyl alanine
Dihydroxy phenyl alanine

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Chemistry
Which of the inert gases can form compounds?

Xenon
Helium
Krypton
Argon

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Chemistry
Nylon is made up of :

Polyethylene
Polypropylene
Polyamide
Polyester

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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

A
D
B
C

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Chemistry
Milk tastes sour when it is left in open for some time. This happens due to the formation of

Carbonic acid
Acetic acid
Citric acid
Lactic acid

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