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