Chemical Process Temporary hardness of water can be removed by Addition of lime Filtration (through gravity sand filter) Addition of alum (a coagulant) Boiling Addition of lime Filtration (through gravity sand filter) Addition of alum (a coagulant) Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water can be removed by All of these Simply boiling Passing it through cation & anion exchangers Adding alum All of these Simply boiling Passing it through cation & anion exchangers Adding alum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Esterification reaction Is a reaction between an alcohol and an organic acid Is reversible Produces soap All of these Is a reaction between an alcohol and an organic acid Is reversible Produces soap All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cooking liquor in case of sulphite process is Magnesium sulphite and free SO₂ in acid medium None of these Sodium sulphite and sodium bisulphite Magnesium sulphate and magnessium bicarbonate Magnesium sulphite and free SO₂ in acid medium None of these Sodium sulphite and sodium bisulphite Magnesium sulphate and magnessium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main component of pyrex glass is Boron Celenium Zinc Lead Boron Celenium Zinc Lead ANSWER DOWNLOAD EXAMIANS APP