Q2 of 25 Page 39

Write down the names of compounds represented by the following formulae:

(i) Al2(S04)3


(ii) CaCl2


(iii) K2S04


(iv) KN03


(v) CaC03

(i) The name of this compound is Aluminium sulphate.

(ii) The name of this compound is Calcium chloride.


(iii) The name of this compound is Potassium sulphate.


(iv) The name of this compound is potassium nitrate.


(v) The name of this compound is Calcium carbonate.


More from this chapter

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2

Why is it not possible to see an atom with naked eyes?

 1

Write down the formulae of:

(i) Sodium oxide


(ii) Aluminum chloride


(iii) Sodium sulphide


(iv) Magnesium hydroxide

 3

What is meant by the term chemical formula?

 4

How many atoms are present in a:

(i) H2S molecule, and


(ii) PO3-4 ion?