Question 1 Name one non-metal which is used to preserve food materials? Question 2 Name one non-metal which is used to make electrodes of dry cell? Question 3 Name one non-metal which is used in the manufacture of sulphuric acid? Uses of Non-metals 1)Hydrogen is used in the hydrogenation of vegetable oil to make vegetable ghee,manufacture of ammonia. 2)Liquid … [Read more...] about Uses of Non-metals