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