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Which one of the following is not an element? A Diamond B Ozone C Silica D Graphite

Which one of the following is not an element?

A

Diamond

B

Ozone

C

Silica

D

Graphite

 
 
 

Grade:8

1 Answers

ankit singh
askIITians Faculty 614 Points
3 years ago

Silicon dioxide is known as silica with molecular formula =SiO2 which is a compound, not an element.
Diamond and graphite are purely made up of carbon i.e C, an element.
Ozone is trioxygen molecule i.e O3, an element.
Hence, the answer is option C.

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