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Neil Nilesh

· started a discussion

· 1 Months ago

How ? (Question:571997.0)

Graphie is elemental carbon. Silica (SiO2) is a compound.

Question:

Which of the following is not an element?

Options:
A)

diamond

B)

ozone

C)

graphite

D)

silica

Solution:

Silica is not an element.

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Your issue has been solved , please reattempt the question.
Keep learning,
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