1.

Complete the following statements by selecting the correct option : (a) The formula of a compound represents (i) an atom (ii) a particle (iii) a molecule (iv) a combination. (b) The correct formula of aluminium oxide is (i) AIO3 (ii) AIO2 (iii) AI2O3 (c) The valency of nitrogen in nitrogen dioxide (NO2) is (i) one (ii) two (v) three (iv) four.

Answer»

Complete the following statements by selecting the correct option :

(a) The formula of a compound represents

(i) an atom (ii) a particle

(iii) a molecule (iv) a combination.

(b) The correct formula of aluminium oxide is

(i) AIO3 (ii) AIO2 (iii) AI2O3

(c) The valency of nitrogen in nitrogen dioxide (NO2) is

(i) one (ii) two

(v) three (iv) four.



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