Chemistry The BOD values of water indicate the Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Phosphorous Silicon Sulphur Magnesium Phosphorous Silicon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 39 KJ 1 KJ 30 KJ 29 KJ 39 KJ 1 KJ 30 KJ 29 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Positrons Protons Neutrons Electrons Positrons Protons Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Calcium acetate Sodium chloride Calcium oxalate Sodium oxalate Calcium acetate Sodium chloride Calcium oxalate Sodium oxalate ANSWER DOWNLOAD EXAMIANS APP
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