Chemical Process Permanent hardness of water can be removed by Simply boiling All of these Adding alum Passing it through cation & anion exchangers Simply boiling All of these Adding alum Passing it through cation & anion exchangers ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. Electromagnetic separation Roasting Froth floatation None of these Electromagnetic separation Roasting Froth floatation None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Washing of coal is done to Remove the inherent impurities Reduce the ash content Both B and C Remove the adhering impurities Remove the inherent impurities Reduce the ash content Both B and C Remove the adhering impurities ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of alcohol in beer may be around __________ percent. 2-8 27-32 1-4 18-23 2-8 27-32 1-4 18-23 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oils and fats are converted to soap in a process called Esterification None of these Hydrogenation Saponification Esterification None of these Hydrogenation Saponification ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the exothermic reaction out of the following: CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ All of these C + H₂O = CO + H₂ MgCO₃ = MgO + CO₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ All of these C + H₂O = CO + H₂ MgCO₃ = MgO + CO₂ ANSWER DOWNLOAD EXAMIANS APP
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