Chemical Process Which of the following processes can remove both temporary as well as permanent hardness of water? Filtration Boiling Distillation None of these Filtration Boiling Distillation None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Contact process of sulphuric acid manufacture Is obsolete Yields acids of lower concentration than chamber process Yields acid of higher concentration than chamber process Eliminates absorber Is obsolete Yields acids of lower concentration than chamber process Yields acid of higher concentration than chamber process Eliminates absorber ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the endothermic reaction out of the following. CaCO₃ = CaO + CO₂ C+1/2O₂ = CO CO + 3H₂ = CH₄ + H₂O CO +1/2O₂ = CO₂ CaCO₃ = CaO + CO₂ C+1/2O₂ = CO CO + 3H₂ = CH₄ + H₂O CO +1/2O₂ = CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. 15-30 250-300 90-100 15-30 250-300 90-100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The difference between saponification value and acid value is Called ester value None of these Constant for all fatty oils Always negative Called ester value None of these Constant for all fatty oils Always negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is obtained as a by-product in the manufacture of sodium hydroxide using brine. Sodium carbonate Chlorine Ammonium chloride Sodium bi-carbonate Sodium carbonate Chlorine Ammonium chloride Sodium bi-carbonate ANSWER DOWNLOAD EXAMIANS APP
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