Question

1. The compound 2NaCl consists of A.2 atoms of sodium element B. 1 atom of

chlorine element C. 3 atoms of sodium element D. 1 atom of sodium element
2. The valency of iron in iron (III) sulphate is A.3 B.2
C.4
D.5
3.The systematic name of the compound Cuso, is A. Copper (I) sulphate B.Copper
(II) tetraoxosulphate C.Copper (II) tetraoxosulphate (IV) D.Copper (II)
tetraoxosulphate (VI)​

Answer 1

1) A.

2) A.

3) A.

Answer 2

1. The compound 2NaCl consists of:

» B. 1 atom of chlorine element.

» D. 1 atom of sodium element.

2. The valency of iron in iron (III) sulphate is:

» A. 3 [ valency of only iron ]

» B. 2 [ valency of only sulphate ion ]

3.The systematic name of the compound CuSO4:

» B. Copper (II) sulphate

Step-by-step explanation:

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