Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium sulphide Aluminium phosphide Hydrogenated wafers Hydrogen sulphide Aluminium sulphide Aluminium phosphide Hydrogenated wafers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Aspirin Picric acid Benzene Chloride Aspirin Picric acid Benzene Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? Low octane fuel Cooking gas Coal High octane fuel Low octane fuel Cooking gas Coal High octane fuel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and antimony Lead and zinc Lead and bismuth Lead and copper Lead and antimony Lead and zinc Lead and bismuth Lead and copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of electrons presents in H+ is one two zero three one two zero three ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Suspended solids Gritty substances Oil and fatty substances Inorganic substances Suspended solids Gritty substances Oil and fatty substances Inorganic substances ANSWER DOWNLOAD EXAMIANS APP
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