Question

The amount of water required to be added to
200 c.c. of a semi-normal solution of NaOH to
make it exactly decinormal is -
(A) 200 c.c.
(B) 400 c.c.
(C) 800 c.c.
(D) 100 c.c.​

Answer 1

d is the correct answer 100c.c.