Chemistry The process of removing calcium and magnesium from hard water is known as Filtration Flocculation Water softening Sedimentation Filtration Flocculation Water softening Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Carbon dioxide Sulphur dioxide Carbon monoxide Chlorine Carbon dioxide Sulphur dioxide Carbon monoxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In making tooth paste In softening water In paper industry As purgative In making tooth paste In softening water In paper industry As purgative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Magnesium Iron Potassium Sodium Magnesium Iron Potassium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Reduction Dehydration Decomposition Oxidation Reduction Dehydration Decomposition Oxidation ANSWER DOWNLOAD EXAMIANS APP
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