1.

The percentage of oxygen in `CH_(2) O` isA. 0.4B. 0.066C. 0.534D. 1

Answer» Correct Answer - C
`CH_(2)O=O`
`30 " g of " CH_(2)O " contains " O=16 g`
`100 "g of " CH_(2)O " Contain "O=16/30 xx 100` =53.4 %


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