Chemistry Sea water can be purified by the process of Evaporation Filtration Distillation Fractional distillation Evaporation Filtration Distillation Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Chlorofluorocarbon Sulphur dioxide Nitrogen dioxide Hydrogen sulphide Chlorofluorocarbon Sulphur dioxide Nitrogen dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Hydrochloric acid Acetic acid Nitric acid Aqua-regia Hydrochloric acid Acetic acid Nitric acid Aqua-regia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Nitric acid Sulphuric acid Ozone Carbon monoxide Nitric acid Sulphuric acid Ozone Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is silicon oxide aluminium silicate zeolites aluminium borosilicate silicon oxide aluminium silicate zeolites aluminium borosilicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer PVC Nylon Polythene Polystyrene PVC Nylon Polythene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
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