1. Which metal is extracted from the ore 'bauxite'?   Tungsten   Aluminum   Gold   Iron   Hint Half-n-half Clue   2. Which of the following metals is a liquid at room temperature?   Sodium   Mercury   Tungsten   Cadmium   Half-n-half Clue   3. Rocks that are rich in metals are known as _______.   allotropes   ores   slag   metalloids   Half-n-half Clue   4. Metals that can be easily drawn into wires are known as _______ metals.   polymer   stretchable   ductile   malleable   Half-n-half Clue   5. Metals are obtained from their oxides by the process of _______.   roasting   oxidation   reduction   electrolytic separation   Half-n-half Clue   6. Which metal is extracted from the ore 'hematite'?   Aluminum   Manganese   Iron   Tin   Half-n-half Clue   7. An alloy is _______.   an element in the impure form   a mixture of three elements   a solid solution of two or more metals   a compound of three elements   Half-n-half Clue