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