Chemical Process Which of the following is not responsible for causing permanent hardness of water? None of these CaCl₂ MgCl₂ Ca(HCO₃)₂ None of these CaCl₂ MgCl₂ Ca(HCO₃)₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Trinitro-toluene (TNT) is Used in dye manufacture An explosive Used in glycerine manufacture None of these Used in dye manufacture An explosive Used in glycerine manufacture None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A mineral is termed as 'ore', if A metal can be economically extracted from it All of these It contains ≥ 40% metal The metal present in it is costly A metal can be economically extracted from it All of these It contains ≥ 40% metal The metal present in it is costly ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Catalyst used during the manufacture of 'Vanaspati Ghee' is Platinum Nickel Zinc Copper Platinum Nickel Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction. Exothermic Both B and C Irreversible Endothermic Exothermic Both B and C Irreversible Endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ethanol amine is produced using ammonia and Ethylene oxide Ethanol Ethyl benzene Ethane Ethylene oxide Ethanol Ethyl benzene Ethane ANSWER DOWNLOAD EXAMIANS APP
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