Chemical Process Temporary hardness of water can be removed by Boiling Filtration (through gravity sand filter) Addition of lime Addition of alum (a coagulant) Boiling Filtration (through gravity sand filter) Addition of lime Addition of alum (a coagulant) 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 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 Magnesium sulphate and magnessium bicarbonate Sodium sulphite and sodium bisulphite None of these Magnesium sulphite and free SO₂ in acid medium Magnesium sulphate and magnessium bicarbonate Sodium sulphite and sodium bisulphite None of these Magnesium sulphite and free SO₂ in acid medium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main component of pyrex glass is Zinc Celenium Boron Lead Zinc Celenium Boron Lead ANSWER DOWNLOAD EXAMIANS APP
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