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 Magnesium chloride Sodium chloride Sodium sulphate Calcium sulphate Magnesium chloride Sodium chloride Sodium sulphate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the exothermic reaction out of the following: MgCO₃ = MgO + CO₂ C + H₂O = CO + H₂ All of these CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ C + H₂O = CO + H₂ All of these CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Roasting of metallurgical ores is done mainly to Remove CO₂ & H₂O Dehydrate it Remove arsenic & sulphur Sinter the ore Remove CO₂ & H₂O Dehydrate it Remove arsenic & sulphur Sinter the ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Unsaturated oils compared to saturated oils have Higher melting point & higher reactivity to oxygen Lower melting point & higher reactivity to oxygen Lower melting point & lower reactivity to oxygen Higher melting point & lower reactivity to oxygen Higher melting point & higher reactivity to oxygen Lower melting point & higher reactivity to oxygen Lower melting point & lower reactivity to oxygen Higher melting point & lower reactivity to oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical formula of BHC, which is an insecticide is C₆Cl₆ C₆H₅Cl C₆H₄Cl₂ C₆H₆Cl₆ C₆Cl₆ C₆H₅Cl C₆H₄Cl₂ C₆H₆Cl₆ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Litharge is Cellulosic photographic material Zinc oxide Zinc sulphide Lead oxide Cellulosic photographic material Zinc oxide Zinc sulphide Lead oxide ANSWER DOWNLOAD EXAMIANS APP
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