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Learn Science MCQs [Page 1 of Department 8]

2) Among the various allotrope of carbon

(A) Coke is the hardest, graphite is the softest
(B) Diamond is the hardest, coke is the softest
(C) Diamond is the hardest, graphite is the softest
(D) Diamond is the hardest, lamp black is the softest

Category: Science Added by: Jitendra Singh

Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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5) 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

Category: Science Added by: Jitendra Singh

Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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