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Ankita tested the solubility of four dif...

Ankita tested the solubility of four different substances (I-IV) at different temperatures and collected the data as given in the table.

Fill in the blanks by selecting the correct option. __(x)___ of substance III would be needed to produce a saturated solution of it in 50 grams of water at `40^@C`. ___(y)___ has the highest solubility at `20^@C` while ___(z)___ has the least solubility at `10^@C`.

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D
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