1. Metals that can be easily drawn into wires are known as _______ metals.   stretchable   ductile   polymer   malleable   Hint Half-n-half Clue   2. Which metal is extracted from the ore 'hematite'?   Aluminum   Iron   Tin   Manganese   Half-n-half Clue   3. Which metal is extracted from the ore 'bauxite'?   Aluminum   Tungsten   Gold   Iron   Half-n-half Clue   4. Rocks that are rich in metals are known as _______.   slag   allotropes   metalloids   ores   Half-n-half Clue   5. With which metal does oxygen combine to form rust?   Gold   Silver   Iron   Platinum   Half-n-half Clue   6. Which of the following metals is a liquid at room temperature?   Cadmium   Sodium   Tungsten   Mercury   Half-n-half Clue   7. Metals are obtained from their oxides by the process of _______.   reduction   roasting   electrolytic separation   oxidation   Half-n-half Clue