

MCQOPTIONS
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1. |
Find the hidden term. |
A. | <sub>2</sub>+ __________ |
B. | H<sub>2</sub>O and CO<sub>2</sub> |
C. | H<sub>2</sub>CO<sub>3</sub> |
D. | H<sub>2</sub>SO<sub>4</sub> |
Answer» B. H<sub>2</sub>O and CO<sub>2</sub> | |