Chemical Process Permanent hardness of water can be removed by Adding alum Simply boiling Passing it through cation & anion exchangers All of these Adding alum Simply boiling Passing it through cation & anion exchangers All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a product of coal tar distillation? Anthracene Carbolic oil Cresote oil None of these Anthracene Carbolic oil Cresote oil None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Contact process of sulphuric acid manufacture Yields acid of higher concentration than chamber process Yields acids of lower concentration than chamber process Is obsolete Eliminates absorber Yields acid of higher concentration than chamber process Yields acids of lower concentration than chamber process Is obsolete Eliminates absorber ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of glycerene present in the spent lye obtained during soap manufacture is about 5 0.5 35 20 5 0.5 35 20 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Low temperature carbonisation of coal takes place at __________ °C. 700 900 300 1100 700 900 300 1100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The biochemical treatment applied to sewage effluents is a process of Polymerisation Dehydration Oxidation Reduction Polymerisation Dehydration Oxidation Reduction ANSWER DOWNLOAD EXAMIANS APP