Chemistry Maximum permissible concentration of total hardness in drinking water is 100 200 50 500 100 200 50 500 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbon Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Vulcanization Galvanization Alloy formation Zinc plating Vulcanization Galvanization Alloy formation Zinc plating ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Disinfectant Precipitator Flocculator Hydrolyser Disinfectant Precipitator Flocculator Hydrolyser ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Chlorofluorocarbons Aviation fuels Radioactive rays Volcanic eruptions Chlorofluorocarbons Aviation fuels Radioactive rays Volcanic eruptions ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is silicon oxide aluminium borosilicate aluminium silicate zeolites silicon oxide aluminium borosilicate aluminium silicate zeolites ANSWER DOWNLOAD EXAMIANS APP
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