Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Bicarbonates Phosphates Carbonates Sulphates Bicarbonates Phosphates Carbonates Sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Temporary hardness of water can be removed by Boiling Filtration (through gravity sand filter) Addition of alum (a coagulant) Addition of lime Boiling Filtration (through gravity sand filter) Addition of alum (a coagulant) Addition of lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main use of HCl is in the None of these Treatment of spent fuel of nuclear reactor Manufacture of cationic detergent Drilling of petroleum wells and pickling of steel sheets None of these Treatment of spent fuel of nuclear reactor Manufacture of cationic detergent Drilling of petroleum wells and pickling of steel sheets ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like All of these Fragile nature High cost Easy poisoning tendency All of these Fragile nature High cost Easy poisoning tendency ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Proximate analysis of coal determines its __________ content. Moisture, sulphur, nitrogen & fixed carbon Moisture & volatile matter Moisture, ash, sulphur & volatile matter None of these Moisture, sulphur, nitrogen & fixed carbon Moisture & volatile matter Moisture, ash, sulphur & volatile matter None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxygen is produced by fractionation of air using __________ process. Either A or B Claude's Linde's None of these Either A or B Claude's Linde's None of these ANSWER DOWNLOAD EXAMIANS APP
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