Chemical Process Which of the following is not responsible for causing permanent hardness of water? None of these MgCl₂ Ca(HCO₃)₂ CaCl₂ None of these MgCl₂ Ca(HCO₃)₂ CaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The chamber process is A batch process for directly producing high strength (98 to 100%) H₂SO₄ Non-catalytic and operates only on pyrites None of these Preferred over contact process for producing 98 to 100% H₂SO₄ and various oleums A batch process for directly producing high strength (98 to 100%) H₂SO₄ Non-catalytic and operates only on pyrites None of these Preferred over contact process for producing 98 to 100% H₂SO₄ and various oleums ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is used In insecticides manufacture As plasticisers For making nylon-6 In making PVC In insecticides manufacture As plasticisers For making nylon-6 In making PVC 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 sulphate Magnesium chloride Calcium sulphate Sodium chloride Sodium sulphate Magnesium chloride Calcium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Production of alcohol by fermentation of molasses is an __________ process. Anaerobic Aerobic Both B and C Endothermic Anaerobic Aerobic Both B and C Endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Carbonates Bicarbonates Sulphates Phosphates Carbonates Bicarbonates Sulphates Phosphates ANSWER DOWNLOAD EXAMIANS APP
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