Question

Q1) Write examples of:-
a) foam:- b) Sol:-
Q3) 15g of copper sulphate is dissolved in 75g of water at 60°c. calculate it's solubility in water?
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Answer 1

Answer:

Q1

a) whipped cream , soap bubbles

b) salt water , juice

Q2

75g of water dissolved = 15 g of copper sulphate

1 g of water = 15/75 g

100 g of water = (15/75 × 100 ) g

= 20 g Ans...