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