Chemistry The filter over which sewage is sprinkled is called as Intermittent sand filter Percolating filter Contact bed Trickling filter Intermittent sand filter Percolating filter Contact bed Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Sodium carbonate Potassium Permangante Alum Lime Sodium carbonate Potassium Permangante Alum Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Ozone and Carbon dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Nitrogen Oxygen Fluorine Neon Nitrogen Oxygen Fluorine Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Potassium nitrite Sodium nitrate Potassium nitrate Sodium nitrite Potassium nitrite Sodium nitrate Potassium nitrate Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Ag Hg Na Fe Ag Hg Na Fe ANSWER DOWNLOAD EXAMIANS APP
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