Chemistry The function of sedimentation tank in sewage treatment is to: Aerate the sewage Remove water content Remove suspended solids Disinfect the sewage Aerate the sewage Remove water content Remove suspended solids Disinfect the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? PAN NO SO2 CO PAN NO SO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Copper Iron Aluminium Zinc Copper Iron Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Tritium Phosphorus-31 Carbon-14 Radium Tritium Phosphorus-31 Carbon-14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O-22 O-2 O2 O+2 O-22 O-2 O2 O+2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Helium Argon Hydrogen Neon Helium Argon Hydrogen Neon ANSWER DOWNLOAD EXAMIANS APP
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