Chemistry The most abundant metal in the Earth’s crust is Copper Zinc Iron Aluminium Copper Zinc Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is used as raw material by which industry ? Iron Aluminium Gold Steel Iron Aluminium Gold Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Half a million Two million One million Ten million Half a million Two million One million Ten million ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Calcium Magnesium Sodium Silicon Calcium Magnesium Sodium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The laws of electrolysis are given by Arrhenius Ostwald Faraday Lewis Arrhenius Ostwald Faraday Lewis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Manganese and copper Copper and nickel Chromium and nickel Copper and chromium Manganese and copper Copper and nickel Chromium and nickel Copper and chromium ANSWER DOWNLOAD EXAMIANS APP