Chemistry The process of removing calcium and magnesium from hard water is known as Water softening Flocculation Sedimentation Filtration Water softening Flocculation Sedimentation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Piped Natural Gas (PNG) is used for Welding Mining Cooking Anaesthesia Welding Mining Cooking Anaesthesia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Phosphorous Sulphur Silicon Magnesium Phosphorous Sulphur Silicon Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Pure Water HCl Sodium Carbonate H2SO4 Pure Water HCl Sodium Carbonate H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Hydrocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Hydrocarbons Sulphur dioxide Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal does not give H2 on treatment with dilute HCL is Ca Zn Ag Fe Ca Zn Ag Fe ANSWER DOWNLOAD EXAMIANS APP
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