Chemistry The method that cannot be used for removing permanent hardness of water is adding caustic soda adding sodium carbonate distillation boiling adding caustic soda adding sodium carbonate distillation boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Petrol Alcohol H2O2 Oxalic acid Petrol Alcohol H2O2 Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Dehydration Polymerisation Hydration and dissociation of water Dissociation of water Dehydration Polymerisation Hydration and dissociation of water Dissociation of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Gypsum salt Green vitriol Blue vitriol Epsom salt Gypsum salt Green vitriol Blue vitriol Epsom salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High flammability High calorific value Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value Ability to lower the melting point of the metal Low reactivity with metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the second largest component in milk ? Minerals Sugar Fat Water Minerals Sugar Fat Water ANSWER DOWNLOAD EXAMIANS APP
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