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