Chemical Process Temporary hardness of water can be removed by Addition of alum (a coagulant) Boiling Addition of lime Filtration (through gravity sand filter) Addition of alum (a coagulant) Boiling Addition of lime Filtration (through gravity sand filter) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water can be removed by Passing it through cation & anion exchangers Simply boiling Adding alum All of these Passing it through cation & anion exchangers Simply boiling Adding alum All of these 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 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 None of these Magnesium sulphate and magnessium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main component of pyrex glass is Boron Zinc Lead Celenium Boron Zinc Lead Celenium ANSWER DOWNLOAD EXAMIANS APP
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