Chemistry In the electroplating of gold, the electrolyte used is Potassium aurocyanide Gold sulphate Gold chloride Gold nitrate Potassium aurocyanide Gold sulphate Gold chloride Gold nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Haematite Bauxite Magnetite Siderite Haematite Bauxite Magnetite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Adsorbent Reducing agent Oxidizing agent Coagulant aid Adsorbent Reducing agent Oxidizing agent Coagulant aid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is an alloy of which of the following metals ? Silver Aluminium Iron Tin Silver Aluminium Iron Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains White phosphorus Phosphorus trichloride Red phosphorus Phosphorus pentoxide White phosphorus Phosphorus trichloride Red phosphorus Phosphorus pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of SO2 CO Unburnt petrol CO2 SO2 CO Unburnt petrol CO2 ANSWER DOWNLOAD EXAMIANS APP