26.
The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of
A. bromine B. fluorine
C. chlorine D. sulphur
Answer & Explanation
Answer: Option D
Explanation:
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27.
The element common to all acids is
A. hydrogen B. carbon
C. sulphur D. oxygen
Answer & Explanation
Answer: Option A
Explanation:
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28.
Non stick cooking utensils are coated with
A. Teflon
B. PVC
C. black paint
D. polystyrene
Answer & Explanation
Answer: Option A
Explanation:
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29.
Monazite is an ore of
A. titanium B. zirconium
C. iron D. thorium
Answer & Explanation
Answer: Option D
Explanation:
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30.
Carbon, diamond and graphite are together called
A. allotropes B. isomers
C. isomorphs D. isotopes
Answer & Explanation
Answer: Option A
Explanation:
No answer description available for this question
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