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Question: Most commonly used rubber vulcanising agent is
[A].

sulphur

[B].

bromine

[C].

platinum

[D].

alumina

Answer: Option A

Explanation:

No answer description available for this question.

Question: Epoxy resin
[A].

is a good adhesive.

[B].

is an elastomer.

[C].

cannot be used for surface coatings.

[D].

is a polyester.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Zeigler process
[A].

produces high density polyethylene.

[B].

produces low density polyethylene.

[C].

uses no catalyst.

[D].

employs very high pressure.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Molecular weights of polymers are in the range of
[A].

102 – 102

[B].

105 – 109

[C].

102 – 107

[D].

109 – 1011

Answer: Option C

Explanation:

No answer description available for this question.

Question: Pencillin is made employing __________ fermentation process.
[A].

continuous

[B].

aerobic batch

[C].

anaerobic batch

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Antibiotic
[A].

inhibits/destroys the growth of microorganisms.

[B].

is used as a pain reliever.

[C].

is an antimalarial.

[D].

is an anaesthetic.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Analgesic drugs are
[A].

pain relievers

[B].

antibiotics

[C].

used in the treatment of T.B.

[D].

used in the treatment of typhiod

Answer: Option A

Explanation:

No answer description available for this question.

Question: BHC (Benzene hexachloride) is made by the chlorination of benzene
[A].

which is an addition reaction.

[B].

which is a substitution reaction.

[C].

in absolute dark.

[D].

in presence of sunlight.

Answer: Option A

Explanation:

No answer description available for this question.

Question: DDT stands for
[A].

diethyl-diphenyl-trichloromethane.

[B].

dichloro-diphenyl-trichloromethane.

[C].

diphenyl-dichloro-trichloromethane.

[D].

dichloro-diphenyl-trichloroethane.

Answer: Option D

Explanation:

No answer description available for this question.