All statements are true EXCEPT
A. A compound is a composed of two or more elements that are chemically combined
B. An element cannot be decomposed into simpler substances by ordinary chemical means
C. Mixtures are composed of substances in fixed mass ratios which can be separated by physical means
D. A molecule is the smallest unit of a compound
Choose the best from among the statements given below. Shade the
corresponding oblong on the Answer Sheet.
A. He wanted to know if did you win the first prize.
B. He wanted to know if you win the first prize.
C. He wanted to know whether you won the first prize.
D. He wanted to know if you won the first prize.