Chemistry The method that cannot be used for removing permanent hardness of water is adding caustic soda boiling adding sodium carbonate distillation adding caustic soda boiling adding sodium carbonate distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium carbonate Sodium chloride Sodium nitrate Sodium bicarbonate Sodium carbonate Sodium chloride Sodium nitrate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Silver Barium Copper Magnesium Silver Barium Copper Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : 2-methyl heptane 2,2-dimethyl hexane Iso-octane N-heptane 2-methyl heptane 2,2-dimethyl hexane Iso-octane N-heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Iron Thorium Uranium Rhodium Iron Thorium Uranium Rhodium ANSWER DOWNLOAD EXAMIANS APP
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