Chemistry The function of sedimentation tank in sewage treatment is to: Remove suspended solids Remove water content Disinfect the sewage Aerate the sewage Remove suspended solids Remove water content Disinfect the sewage Aerate the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Petrochemicals Cement Aluminium Fertilizers Petrochemicals Cement Aluminium Fertilizers ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Rain water Tap water Ground water Distilled water Rain water Tap water Ground water Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Oxalic acid Acetic acid Malic acid Tartaric acid Oxalic acid Acetic acid Malic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is NO2 SO2 Lead Hg NO2 SO2 Lead Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Helium Sulphur dioxide Carbon dioxide Nitrogen Helium Sulphur dioxide Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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