Chemistry - Single MCQs (Page 67)

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Q661. Insulin is ?...Q662. Glucose is a?...Q663. Enzymes are ?...Q664. The major constituent of air is ?...Q665. Which gas is filled in refrigerators ?...Q666. Brass is an alloy of ?...Q667. The chemical symbol of sodium is ?...Q668. The concept of elliptical orbital was suggested by ?...Q669. The hardest form of carbon is ?...Q670. The main actine constituent of tea and coffee is ?...