1. Which metal is extracted from the ore 'hematite'?   Iron   Aluminum   Manganese   Tin   Hint Half-n-half Clue   2. Which of the following metals is a liquid at room temperature?   Tungsten   Mercury   Sodium   Cadmium   Half-n-half Clue   3. Which of the following metals is often found in the pure state?   Aluminum   Magnesium   Gold   Iron   Half-n-half Clue   4. Metals are usually good conductors of heat and electricity.   True   False   5. Iron is magnetic in nature.   True   False   6. Rocks that are rich in metals are known as _______.   metalloids   allotropes   ores   slag   Half-n-half Clue   7. Brass is _______.   an alloy   a mixture   a compound   an element   Half-n-half Clue