1.

Consider the following statements regarding diamond: 1. It is an allotrope of silicon. 2. It is a bad conductor of heat and electricity. 3. It is the hardest substance. 4. It burns to produce carbon dioxide. Which of the statements given above are correct? (a) 1, 2, 3 and 4 (b) 2, 3, and 4 (c) 1 and 2 (d) 1, 3 and 4 

Answer»

The correct option is: (b) 2, 3, and 4

Explanation:

Diamond is an allotrope of carbon not silicon



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