which of the following is not an element?
(i) silica (ii) silicon (iii) graphite
Answers
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Answer:
Silica
Explanation:
Element consist of single type of atom.
Graphite is composed of Carbon(C) only & silicon ( Si) is also an element belonging to carbon family.
Silica is SiO2 ( silicon dioxide) which consist of Silicon and Oxygen. Therefore it is not an element.
Hope this helps you. Thankyou
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