Chemistry The function of sedimentation tank in sewage treatment is to: Remove water content Aerate the sewage Remove suspended solids Disinfect the sewage Remove water content Aerate the sewage Remove suspended solids Disinfect the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Mica Bauxite Manganese Chromite Mica Bauxite Manganese Chromite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Positrons Electrons Protons Neutrons Positrons Electrons Protons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Lactic acid Carbonic acid Acetic acid Citric acid Lactic acid Carbonic acid Acetic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Hydrogen peroxide Sodium chloride Saltpetre Borax Hydrogen peroxide Sodium chloride Saltpetre Borax ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Desilication Hydration Oxidation Carbonation Desilication Hydration Oxidation Carbonation ANSWER DOWNLOAD EXAMIANS APP
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