Pollution Mitigation and Chemical Formulae

Explain the environmental problems caused by increased levels of atmospheric pollutants.
Describe ways of cutting emissions, such as gas scrubbers, catalytic converters and low-sulfur petrol.
Write the formulae of elements and simple covalent compounds using appropriate chemical symbols.
Formulate and balance chemical equations using the principle of conservation of mass alongside the names and symbols of common elements and compounds.
Apply arithmetic computations and ratios when balancing chemical equations.
Describe the chemical tests used to accurately identify oxygen, hydrogen, and carbon dioxide gases.
Explain the process of oxidation in terms of the gain of oxygen.

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