On mixing 15.0 ml of ethyl alcohol of de...

On mixing `15.0` ml of ethyl alcohol of density `0.792"g ml"^(-1)` with 15 ml of pure water at `4^(@)C`, the resulting solution is found to have a density of `0.924"g ml"^(-1)`. The percentage contraction in volume is :

`8%`

`2%`

`3%`

`4%`

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