1. An alloy is a   Element in impure form   Compound of three elements   Mixture   Solid Solution of two or more metals   Hint Half-n-half Clue   2. Often to prevent corrosion, metals are galvanized by covering them with a layer of   Tin   Sodium   Copper   Zinc   Half-n-half Clue   3. If a metal ore is titled "pyrites" then it most probably has   Oxygen   Nitrogen   Sulphur   Chlorine   Half-n-half Clue   4. With which metal does oxygen combine to form rust?   Platinum   Gold   Silver   Iron   Half-n-half Clue   5. Metals are usually good conductors of heat and electricity.   True   False   6. What are metals that can be stretched easily known as?   Malleable Metals   Stretchable Metals   Polymer Metals   Ductile Metals   Half-n-half Clue   7. Iron is magnetic.   True   False