Chemistry The method that cannot be used for removing permanent hardness of water is distillation adding caustic soda boiling adding sodium carbonate distillation adding caustic soda boiling adding sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Tin Zinc Chromium Copper Tin Zinc Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Ozone Oxygen Nitrogen Chlorine Ozone Oxygen Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc carbonate Zinc sulphate Zinc blende Zinc oxide Zinc carbonate Zinc sulphate Zinc blende Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethane carbon dioxide ethylene acetylene ethane carbon dioxide ethylene acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Sodium chloride Carbon dioxide Chlorine Alcohol Sodium chloride Carbon dioxide Chlorine Alcohol ANSWER DOWNLOAD EXAMIANS APP
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