(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.
Explanation
(a)(i) The chemical substance is ethanol (C(_2)H(_5)OH)
(ii) The chemical substance is Trioxonitrate(V) acid
(iii) The chemical substance is soap
(b) One air pollutant is sulphur(IV) oxide (SO(_2)) or nitrogen(IV) oxide (NO(_2))