The table given below shows number of grams of five different solids dissolving in 100g of the solvents at 20° (3)
Solvent
Salt
Sugar
Iodine
Chalk
Urea
Water
36.0
204.0
0.6
0.0
100.0
Alcohol
0.0
0.0
20.0
0.0
16.0
Chloroform
0.0
0.0
3.0
0.0
0.0
i) Which solid dissolves best in water at 20°?
ii) Which solid is maximum soluble in alcohol?
iii) Which solid is insoluble in all the three solvents.
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Answer:
a) Sugar is best soluble in water at 20∘C 20 ∘ C (b) Iodine is maximum soluble in alcohol.
Explanation:
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