1000 Best General Science MCQ-Questions
Q113). The major ingredient of leather is
a).collagen
b).carbohydrate
c).polymer
d).nucleic acid
Correct Answer:
collagen
Explanation:
Q114). What are the soaps?
a).Salts of silicates
b).Mixture of glycerol and alcohols
c).Sodium or potassium salts of heavier fatty acids
d).Esters of heavy fatty acids
Correct Answer:
Sodium or potassium salts of heavier fatty acids
Explanation:
Q115). How does common salt help in separating soap from the solution after saponification?
a).By decreasing density of Soap
b).By decreasing solubility of Soap
c).By increasing density of Soap
d).By increasing solubility of Soap
Correct Answer:
By decreasing solubility of Soap
Explanation:
Q116). In vulcanisation, natural rubber is heated with
a).Carbon
b).Silicon
c).Sulphur
d).Phosphorous
Correct Answer:
Sulphur
Explanation:
Q117). Deep blue colour is imparted to glass by the presence of
a).cupric oxide
b).nickel oxide
c).cobalt oxide
d).iron oxide
Correct Answer:
cobalt oxide
Explanation:
Q118). Glass is made of the mixture of
a).quartz and mica
b).sand and silicates
c).salt and quartz
d).sand and salt
Correct Answer:
sand and silicates
Explanation:
Q119). The vast resources of unutilised natural gas can be used in the production of
a).graphite
b).Synthetic petroleum
c).fertilisers
d).carbide
Correct Answer:
fertilisers
Explanation:
Q120). Paper is manufactured by
a).Wood and resin
b).Wood, sodium and bleaching powder
c).Wood, calcium, hydrogen sulphite and resin
d).Wood and bleaching powder
Correct Answer:
Wood, calcium, hydrogen sulphite and resin
Explanation: