Chemical Process Coagulant is used __________ filtration. To avoid After Before During To avoid After Before During ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of Sodium chloride Magnesium chloride Sodium sulphate Calcium sulphate Sodium chloride Magnesium chloride Sodium sulphate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water can be removed by All of these Adding alum Passing it through cation & anion exchangers Simply boiling All of these Adding alum Passing it through cation & anion exchangers Simply boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process BHC (Benzene hexachloride) is made by the chlorination of benzene Which is an addition reaction In presence of sunlight Which is a substitution reaction In absolute dark Which is an addition reaction In presence of sunlight Which is a substitution reaction In absolute dark ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bordeaux mixture is a/an Inorganic fungicide Fertiliser Explosive Insecticide Inorganic fungicide Fertiliser Explosive Insecticide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Na₂CO₃ is called Washing soda Soda ash Calcite Plaster of paris Washing soda Soda ash Calcite Plaster of paris ANSWER DOWNLOAD EXAMIANS APP