2. eymmcl2003 12345 6789101112 1314151617

3. eymmcl2003 1 Are metals finite or infinite resources? answer finite

4. eymmcl2003 gold, silver, copper answer 2 Name a metal found uncombined in the Earth’s crust

5. eymmcl2003 Give a property of metals Conduct electricity Conduct heat Strong Malleable Ductile answer 3

6. eymmcl2003 Which metal is extracted from its ore in a Blast Furnace? answer 4 iron

7. eymmcl2003 What is produced when a metal reacts with oxygen ? Metal oxide answer 5

8. eymmcl2003 Give an example of a metal obtained from its ore by electrolysis Mg, Al, Na, K, Li answer 6

9. eymmcl2003 Name the products of the reaction between sodium and water answer 7 sodium hydroxide and hydrogen

10. eymmcl2003 Which type of reaction takes place when a metal is extracted from its compound (ore)? reduction answer 8

11. eymmcl2003 Name the products of the reaction between zinc and dilute sulphuric acid zinc sulphate and hydrogen gas answer 9

12. eymmcl2003 What is an alloy? Mixture of metals or metals with non-metals answer 10

13. eymmcl2003 Name a metal which does NOT react with dilute acid silvercoppergold answer 11

14. eymmcl2003 Identify the two alloys brass, iron, copper, steel brasssteel brass and steel answer 12

15. eymmcl2003 Calculate the percentage mass of potassium in potassium sulphide K 2 S 1 mol of K 2 S = (2 x 39) + 32 = 110 Mass of K = 78/110 x 100 = 71% answer 13

16. eymmcl2003 Give the family name for Group 1 metals? Alkali metals answer 14 Na K Li Cs

17. eymmcl2003 What is a displacement reaction ? A metal high in the electrochemical series displaces ions of a metal lower in the series from its solution A metal high in the electrochemical series displaces ions of a metal lower in the series from its solution answer 15

18. eymmcl2003 Is this ion-electron equation an example of or ? Cu 2+ + 2e Cu Is this ion-electron equation an example of reduction or oxidation ? Cu 2+ + 2e Cu reduction answer 16

19. eymmcl2003 Is this ion-electron equation an example of reduction or oxidation ? 2Cl - Cl 2 + 2e oxidation answer 17