Exercise: General Science

Questions for: General Science

The vast resources of unutilised natural gas can be used in the production of
A:
graphite
B:
Synthetic petroleum
C:
fertilisers
D:
carbide
Answer: C
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Glass is made of the mixture of
A:
quartz and mica
B:
sand and silicates
C:
salt and quartz
D:
sand and salt
Answer: B
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Deep blue colour is imparted to glass by the presence of
A:
cupric oxide
B:
nickel oxide
C:
cobalt oxide
D:
iron oxide
Answer: C
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In vulcanisation, natural rubber is heated with
A:
Carbon
B:
Silicon
C:
Sulphur
D:
Phosphorous
Answer: C
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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
Answer: B
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