Chemistry The most important ore of lead is Magnetite Siderite Galena Pyrolusite Magnetite Siderite Galena Pyrolusite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Steel Stainless steel Wrought iron Pig iron Steel Stainless steel Wrought iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Aluminium Copper Iron Zinc Aluminium Copper Iron Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Chalco pyrites Hematite Fluorspar Bauxite Chalco pyrites Hematite Fluorspar Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Cast-iron Type metal Aluminium Water Cast-iron Type metal Aluminium Water ANSWER DOWNLOAD EXAMIANS APP
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