1.

The lowering of vapour pressure of 0.1M aqueous solutions of NaCl, CuSO_4, and K_2SO_4 are:

Answer»

All equal
In the RATIO of 1 : 1 : 1.5
In the ratio of 3 : 2 : 1
In the ratio of 1.5 : 1 : 2.5

Answer :B


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