Chemical Process Temporary hardness of water can be removed by Filtration (through gravity sand filter) Addition of alum (a coagulant) Addition of lime Boiling Filtration (through gravity sand filter) Addition of alum (a coagulant) Addition of lime Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Average sulphur content in Indian pyrites is about __________ percent. 55 15 70 35 55 15 70 35 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like Fragile nature Easy poisoning tendency All of these High cost Fragile nature Easy poisoning tendency All of these High cost ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of glycerene present in the spent lye obtained during soap manufacture is about 5 0.5 35 20 5 0.5 35 20 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Argon is the third largest constituent of air (followed by Nā & Oā). Its percentage by volume in air is 0.94 0.14 0.34 1.4 0.94 0.14 0.34 1.4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercially ethylene is produced from naphtha by Hydrocracking Pyrolysis Catalytic cracking Catalytic dehydrogenation Hydrocracking Pyrolysis Catalytic cracking Catalytic dehydrogenation ANSWER DOWNLOAD EXAMIANS APP