1. Which of the following metals is often found in pure state?   Gold   Magnesium   Iron   Aluminum   Hint Half-n-half Clue   2. Sodium is very reactive and may burn on exposure to air, hence it is kept under   Acids   Oil   Water   Ice   Half-n-half Clue   3. Which metal is extracted from Bauxite?   Aluminum   Tungsten   Gold   Arsenic   Half-n-half Clue   4. What are metals that can be beaten into various shapes called?   Malleable Metals   Ductile Metals   Polymer Metals   Beatable Metals   Half-n-half Clue   5. Which of the following metals is liquid at room temperature   Mercury   Sodium   Cadmium   Tungsten   Half-n-half Clue   6. With which metal does oxygen combine to form rust?   Platinum   Silver   Iron   Gold   Half-n-half Clue   7. Metals are usually good conductors of heat and electricity.   True   False