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