1.

There are two common oxides of sulphur, one of which contains `50% O_(2)` by weight, the other almost exactly `60%`. The weight of sulphur which combine with `1 g` of `O_(2)` (fixed) are in the ratio ofA. (a)`1:1`B. (b)`2:1`C. (c )`2:3`D. (d)`3:2`

Answer» Correct Answer - D
`{:("First oxide",,,"Second oxide"),("sulphur" 50%,,,40%),("Oxygen" 50%,,,60%):}`
In first oxide 1 parts oxygen combines with silphur `=50/50=1`
Similarly for second oxide`=40/60=0.67`
So the ratio is `1:0.67` or `3:2`


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