Chemistry Which metal is extracted from sea water? Aluminium Potassium Beryllium Magnesium Aluminium Potassium Beryllium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Carbon dioxide Nitrogen Ozone Methane Carbon dioxide Nitrogen Ozone Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Refining Roasting Smelting Calcination Refining Roasting Smelting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is K Na Ca Cs K Na Ca Cs ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Siderite Magnetite Bauxite Haematite Siderite Magnetite Bauxite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Carbary DDT Parathion Lindane Carbary DDT Parathion Lindane ANSWER DOWNLOAD EXAMIANS APP