(a) Mention the chemical substance manufactured starting from each of the foirownc sets of materials: (i) sugar and yeast; (ii) ammonia, air and water; (iii...

(a) Mention the chemical substance manufactured starting from each of the foirownc sets of materials:

(i) sugar and yeast;

(ii) ammonia, air and water;

(iii) vegetable oil and caustic alkali.

(b) State one air pollutant generated during the manufacture of fertilizers.