

MCQOPTIONS
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1. |
A compound contain 12% of carbon, 16% of oxygen, 28% of nitrogen, 4% of hydrogen and 40% calcium by weight, then what can be the possible formula of the compound? |
A. | C2H3N2Ca(OH) |
B. | CH4N4Ca2(OH) |
C. | CH3N2Ca2(OH) |
D. | None of the mentioned |
Answer» D. None of the mentioned | |