Chemical Process Which of the following is not responsible for causing permanent hardness of water? CaCl₂ MgCl₂ Ca(HCO₃)₂ None of these CaCl₂ MgCl₂ Ca(HCO₃)₂ None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fusel oil is a/an Extract from medicinal herbs None of these Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses) Essential oil Extract from medicinal herbs None of these Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses) Essential oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent. 25 10 98 50 25 10 98 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to Reduce its viscosity Reduce the variation in its viscosity with temperature Increase its viscosity Increase the variation in its viscosity with temperature Reduce its viscosity Reduce the variation in its viscosity with temperature Increase its viscosity Increase the variation in its viscosity with temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The combustion reaction, C + O₂ = CO₂, is Autocatalytic None of these Exothermic Endothermic Autocatalytic None of these Exothermic Endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of soda ash is Sodium bicarbonate Potassium carbonate Sodium thiosulphate None of these Sodium bicarbonate Potassium carbonate Sodium thiosulphate None of these ANSWER DOWNLOAD EXAMIANS APP
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