General Science – 59

General Science » Exercise – 1

59. Among the various allotropes 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

Answer
Answer : (c)
Explanation
Explanation : No answer description available for this question. Let us discuss.
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