Chemical Process Temporary hardness of water can be removed by Addition of alum (a coagulant) Addition of lime Filtration (through gravity sand filter) Boiling Addition of alum (a coagulant) Addition of lime Filtration (through gravity sand filter) Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Zeolite used in water softening process (cation exchange) is regenerated by washing with Liquid chlorines Brine Sodium bisulphite Chloramines Liquid chlorines Brine Sodium bisulphite Chloramines ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The temperature in the calcium carbide furnace is __________ °C. 200-300 4000-4500 2000-2200 700-850 200-300 4000-4500 2000-2200 700-850 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of aspirin (an analgesic drug) is Acetylsalicylic acid Calcium acetate Nictonic acid Methyl salicylate Acetylsalicylic acid Calcium acetate Nictonic acid Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Good quality of edible salt is obtained from brine by the process of Solar evaporation Vacuum evaporation Electrolysis Freeze drying Solar evaporation Vacuum evaporation Electrolysis Freeze drying ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following fuel gases contains maximum amount of carbon monoxide? Water gas L.D. converter gas Blast furnace gas Coke oven gas Water gas L.D. converter gas Blast furnace gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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