1. If a metal's ore is titled 'pyrites', then it most probably contains _______.   sulfur   nitrogen   chlorine   oxygen   Hint Half-n-half Clue   2. Rust on iron is basically _______.   a chloride   a nitride   an oxide   a sulphide   Half-n-half Clue   3. Which metal is extracted from the ore 'bauxite'?   Tungsten   Aluminum   Gold   Iron   Half-n-half Clue   4. Fill in the missing word: _______ + oxygen = Magnesium oxide   magnesium   metal   manganese   carbon   Half-n-half Clue   5. Bronze is an alloy of _______.   copper and zinc   copper and tin   lead and copper   barium, zinc and iron   Half-n-half Clue   6. Iron is magnetic in nature.   True   False   7. Which metal is extracted from the ore 'hematite'?   Manganese   Aluminum   Tin   Iron   Half-n-half Clue