The table given below shows number of grams of five different solids dissolving in 100 g of the solvents : water, alcohol and chloroform (all at `20^(@)C`).
`{:("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):}`
(a) Which solid dissolves best in water at `20^(@)C` ? (b) Which solid is maximum soluble in alcohol ?
(c ) Which solid is insoluble in all the three solvents ?
