General Science – Exercise – 3

131. The major ingredient of leather is

(a) collagen
(b) carbohydrate
(c) polymer
(d) nucleic acid

Answer
Answer : (a)
Explanation
Explanation :  No answer description available for this question. Let us discuss.
Discuss
Discuss : Write your answer. Click here.

132. Glass is made of the mixture of

(a) quartz and mica
(b) sand and silicates
(c) salt and quartz
(d) sand and salt

Answer
Answer : (b)
Explanation
Explanation :  No answer description available for this question. Let us discuss.
Discuss
Discuss : Write your answer. Click here.

133. Rayon is chemically

(a) cellulose
(b) pectin
(c) glucose
(d) amylase

Answer
Answer : (a)
Explanation
Explanation :  No answer description available for this question. Let us discuss.
Discuss
Discuss : Write your answer. Click here.

134. In vulcanisation, natural rubber is heated with

(a) Carbon
(b) Silicon
(c) Sulphur
(d) Phosphorous

Answer
Answer : (c)
Explanation
Explanation :  No answer description available for this question. Let us discuss.
Discuss
Discuss : Write your answer. Click here.

135. Which one of the following is the petroleum wax?

(a) Paraffin wax
(b) Jonoba wax
(c) Carnauba wax
(d) Bees wax

Answer
Answer : (a)
Explanation
Explanation :  Paraffin wax is obtained from petroleum by dewaxing light lubricating oil stocks. It is used in candles, wax paper, polishes, cosmetics, and electrical insulators. It assists in extracting perfumes from flowers, forms a base for medical ointments, and supplies a waterproof coating for wood. In wood and paper matches, it helps to ignite the matchstick by supplying an easily vaporized hydrocarbon fuel. Let us discuss.
Discuss
Discuss : Write your answer. Click here.

Related Posts

LEAVE A REPLY

Please enter your comment!
Please enter your name here