1.

20 g of caustic soda dissolved in 120 ml of water makes a solution of caustic soda. Find the amount of caustic soda needed for 1.08 litre of water to make the same type of solution.

A.  160 g  
B.  70 g
C.  180 g  
D. 190 g
E. None of these
Answer» D. 190 g


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