Which of the following substance is not a covalent polymer?
A
Silica
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B
Diamond
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C
Glucose
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D
Silicon carbide
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Solution
The correct option is C Glucose Silica - giant polymer with basic unit SiO2. Diamond - a polymer with a basic unit carbon atom. Glucose - C6H12O6 is not a polymer. Silicon carbide (SiC) - a polymer with basic SiC.