Chemistry The most important ore of lead is Pyrolusite Galena Magnetite Siderite Pyrolusite Galena Magnetite Siderite 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 Copper Zinc Iron Aluminium Copper Zinc Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Hematite Chalco pyrites Fluorspar Bauxite Hematite Chalco pyrites Fluorspar Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Type metal Water Cast-iron Aluminium Type metal Water Cast-iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
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