1. Metals that can be easily beaten into sheets are known as _______ metals.   malleable   ductile   beatable   polymer   Hint Half-n-half Clue   2. With which metal does oxygen combine to form rust?   Silver   Gold   Iron   Platinum   Half-n-half Clue   3. If a metal's ore is titled 'pyrites', then it most probably contains _______.   nitrogen   sulfur   chlorine   oxygen   Half-n-half Clue   4. Rocks that are rich in metals are known as _______.   metalloids   slag   allotropes   ores   Half-n-half Clue   5. Which of the following does not belong to this group?   Lead   Oxygen   Iron   Sodium   Half-n-half Clue   6. An alloy is _______.   a solid solution of two or more metals   a compound of three elements   a mixture of three elements   an element in the impure form   Half-n-half Clue   7. Metals are obtained from their oxides by the process of _______.   roasting   reduction   oxidation   electrolytic separation   Half-n-half Clue