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 Passing it through cation & anion exchangers Adding alum All of these Simply boiling Passing it through cation & anion exchangers Adding alum All of these Simply boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Esterification reaction Is a reaction between an alcohol and an organic acid Produces soap Is reversible All of these Is a reaction between an alcohol and an organic acid Produces soap Is reversible All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cooking liquor in case of sulphite process is Sodium sulphite and sodium bisulphite Magnesium sulphate and magnessium bicarbonate None of these Magnesium sulphite and free SO₂ in acid medium Sodium sulphite and sodium bisulphite Magnesium sulphate and magnessium bicarbonate None of these Magnesium sulphite and free SO₂ in acid medium 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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