Chemical Process Which of the following is not responsible for causing permanent hardness of water? CaCl₂ None of these MgCl₂ Ca(HCO₃)₂ CaCl₂ None of these MgCl₂ Ca(HCO₃)₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as None of these It is very corrosive at elevated temperature It decomposes on further increasing the temperature Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) None of these It is very corrosive at elevated temperature It decomposes on further increasing the temperature Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Rosin soap is added during paper manufacture to Impart resistance to penetration by liquids Improve opacity Impart adhesive properties None of these Impart resistance to penetration by liquids Improve opacity Impart adhesive properties None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Trinitro-toluene (TNT) is None of these Used in glycerine manufacture Used in dye manufacture An explosive None of these Used in glycerine manufacture Used in dye manufacture An explosive ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main product of high temperature carbonisation of coal is Tar Ammonia Coke Phenol Tar Ammonia Coke Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Good quality of edible salt is obtained from brine by the process of Freeze drying Solar evaporation Vacuum evaporation Electrolysis Freeze drying Solar evaporation Vacuum evaporation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
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