Revision on basic knowledge of chemistry on calculation on moles and chemical substances in industry

1. sulphur Sulphur dioxide Sulphur trioxide Oleum Sulphuric acid Stage 1 Stage 2 Stage 3 Hot air Dry oxygen X Water

5. State 2 uses of sulphuric acid As Fertilisers As detergents Electrolyte in car batteries Manufacture of plastic and synthetic fibres Manufacture of pesticides

7. State 2 uses of ammonia in industry Manufacture fertilisers Manufacture explosives Manufacture nitric acid As a cooling agent Prevent coagulation of latex

8. Fe + Cu Cu + Zn Cu + Sn Al + Mg Alloy Mixture of metals Alloy Mixture of metals Steel Bronze Brass Magnelium

9. Plastic bag Name of polymer Structure monomer Structure polymer uses Polythene

10. Raincoat, pipes Name of polymer Structure monomer Structure polymer uses Polyvinyl chloride

11. Plastic chairs & tables Name of polymer Structure monomer Structure polymer uses Polypropene

12. Soda lime glass Lead glass Fused silicate glass Borosilicate glass Type of glass Uses Type of glass Uses Cheap glass containers, mirrors Optical lenses, spectrometer Decorative glass and lamps Cooking utensils

19. substance Molecular form Empirical form substance Molecular form Empirical form benzene Glucose

20. substance Molecular form Empirical form substance Molecular form Empirical form Propene ammonia

25. Mole = mass Mole = volume of gas Mole = number of particles Molar mass Molar volume Avogadro’s constant