page 04 5. An element contains covalent bonding and London dispersion forces. The element could be A boron B neon C sodium D sulfur. 6. Erythrose is a chemical that is known to kill cancer cells. HO C C C C H H OH H OH H O H erythrose The two functional groups present in erythrose are A carboxyl and ester B carbonyl and ester C carbonyl and hydroxyl D carboxyl and hydroxyl. 7. CH3 CH3 OH O C C H H3C H3C C The name of the above compound is A 2,2,3-trimethylbutanoic acid B 2,3,3-trimethylbutanoic acid C 1,1,2,2-tetramethylpropanoic acid D 2,2,3,3-tetramethylpropanoic acid.

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