Which among the following is not true for mammals?

Which one among the following compounds have the same equivalent weight and molecular weight?

Match List I with List II and select the correct answer using the code given below

List I

A)Guinea current

B)Oyashio current

C)Canaries current

D)Kuroshio current

List II

(Location in map)

Code:

    A    B    C    D

A person standing 1m in front of a plane mirror approaches the mirror by 40cm.The new distance between the person and his image in the plane mirror is

Which one among the following statements is correct?

When hard water is evaporated completely,the white solid remains in the container.It may be sue to the presence of 

1.Carbonates of Ca and Mg.

2.Sulphates of Ca and Mg

3.Chlorides of Ca and Mg