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General Knowledge - General Science

Exercise : General Science - Synthetic Materials
11.
The major ingredient of leather is
collagen
carbohydrate
polymer
nucleic acid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
What are the soaps?
Salts of silicates
Mixture of glycerol and alcohols
Sodium or potassium salts of heavier fatty acids
Esters of heavy fatty acids
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
How does common salt help in separating soap from the solution after saponification?
By decreasing density of Soap
By decreasing solubility of Soap
By increasing density of Soap
By increasing solubility of Soap
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
In vulcanisation, natural rubber is heated with
Carbon
Silicon
Sulphur
Phosphorous
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Deep blue colour is imparted to glass by the presence of
cupric oxide
nickel oxide
cobalt oxide
iron oxide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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