Chemistry The method that cannot be used for removing permanent hardness of water is adding caustic soda distillation adding sodium carbonate boiling adding caustic soda distillation adding sodium carbonate boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Hypo' commonly used in photography is Sodium nitrate Sodium thiosulphate Silver iodide Silver nitrate Sodium nitrate Sodium thiosulphate Silver iodide Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Zone melting Slugging Leaching Smelting Zone melting Slugging Leaching Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the combination of CO2and H2 CO2 and CO CO and H2O CO and H2 CO2and H2 CO2 and CO CO and H2O CO and H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry One carat of diamond is equal to 250 mg 100 mg 150 mg 200 mg 250 mg 100 mg 150 mg 200 mg ANSWER DOWNLOAD EXAMIANS APP
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