Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Phosphates Sulphates Carbonates Bicarbonates Phosphates Sulphates Carbonates Bicarbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. Roasting None of these Electromagnetic separation Froth floatation Roasting None of these Electromagnetic separation Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Silicone is a/an Thermoplastic Inorganic polymer Monomer None of these Thermoplastic Inorganic polymer Monomer None of these 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 Calcium sulphate Magnesium chloride Sodium sulphate Sodium chloride Calcium sulphate Magnesium chloride Sodium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A mixture of chlorine & sodium bromide acts as a/an Fire retardant Hydrogenation catalyst Insecticides Analgesic drug Fire retardant Hydrogenation catalyst Insecticides Analgesic drug ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C. 60-70 150-200 25 250-300 60-70 150-200 25 250-300 ANSWER DOWNLOAD EXAMIANS APP
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