Chemistry The metal that is usually extracted from sea water is Mg K Na Ca Mg K Na Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Nitrogen dioxide Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon Nitrogen dioxide Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 8.3 3.2 5.6 6.3 8.3 3.2 5.6 6.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Detergent Zinc Phosphate Arsenic Detergent Zinc Phosphate Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Decron Nylon Bakelite Melamine Decron Nylon Bakelite Melamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Low - sulphur fuels Catalytic converters in industry More efficient car engines Static electricity to attract it in factory chimneys Low - sulphur fuels Catalytic converters in industry More efficient car engines Static electricity to attract it in factory chimneys ANSWER DOWNLOAD EXAMIANS APP
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