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