1. Which of the following does not belong to this group?   Oxygen   Lead   Iron   Sodium   Hint Half-n-half Clue   2. Metals are usually good conductors of heat and electricity.   True   False   3. Which metal is extracted from the ore 'bauxite'?   Gold   Tungsten   Aluminum   Iron   Half-n-half Clue   4. Rocks that are rich in metals are known as _______.   allotropes   metalloids   slag   ores   Half-n-half Clue   5. Metals that can be easily beaten into sheets are known as _______ metals.   ductile   malleable   polymer   beatable   Half-n-half Clue   6. Which of the following metals is often found in the pure state?   Gold   Magnesium   Iron   Aluminum   Half-n-half Clue   7. Rust on iron is basically _______.   an oxide   a sulphide   a nitride   a chloride   Half-n-half Clue   FREE PREVIEW: Last 10 Questions not a part of the free preview. Get Premium Membership to view all questions.