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eymmcl2003

1

Are metals finite or

infinite resources?

answer

finite

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gold, silver, copper

answer

2

Name a metal found uncombined in the

Earth’s crust

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Give a property Give a property of metalsof metals

Conduct

electricity

Conduct heat

Strong

Malleable

Ductile

answer

3

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Which metal is Which metal is extracted from its ore extracted from its ore in ain a Blast FurnaceBlast Furnace??

answer

4

iron

eymmcl2003

What is produced What is produced when a metal reacts when a metal reacts

with oxygen ?with oxygen ?

Metal oxideanswer

5

eymmcl2003

Give an example of Give an example of a metal obtaineda metal obtained from its ore byfrom its ore by

electrolysiselectrolysis

Mg, Al, Na, K, Li

answer

6

eymmcl2003

Name the Name the productsproducts of the of the

reaction between reaction between sodium and sodium and

waterwateranswer

7

sodium hydroxide and hydrogen

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WhichWhich type of reactiontype of reaction takes place when a takes place when a

metal is extracted from metal is extracted from its compound (ore)?its compound (ore)?

reduction

answer

8

eymmcl2003

Name the Name the productsproducts of of the the

reaction between zinc reaction between zinc andand

dilute sulphuric acid dilute sulphuric acidzinc sulphate zinc sulphate and hydrogen and hydrogen

gasgas

answer

9

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What is an What is an alloyalloy??

Mixture of metalsor

metals with non-metals

answer

10

eymmcl2003

Name a Name a metalmetal which does which does NOTNOT react with dilute react with dilute

acidacidsilversilvercoppercopper

goldgold

answer

11

eymmcl2003

Identify the Identify the twotwo alloysalloys

brass, iron, brass, iron, copper, steelcopper, steelbrassbrass and

steelsteel

answer

12

eymmcl2003

Calculate the Calculate the percentage masspercentage mass of of

potassium in potassium potassium in potassium sulphide sulphide KK22SS

1 mol of K2S = (2 x 39) + 32 = 110Mass of K = 78/110 x 100 = 71%

answer

13

eymmcl2003

Give the family Give the family name forname for Group 1Group 1 metals?metals?

Alkali metals

answer

14

Na

KKLLii

Cs

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What is a What is a displacementdisplacement

reaction ?reaction ?

A metal high in the A metal high in the electrochemical series electrochemical series

displaces ions of a displaces ions of a metal lower in the metal lower in the

series from its solutionseries from its solution

answer

15

eymmcl2003

Is this ion-electron equation Is this ion-electron equation an example of an example of reduction or or

oxidation ??CuCu2+2+ + 2e Cu + 2e Cu

reductreductionion

answer

16

eymmcl2003

Is this ion-electron equation an example of reduction or oxidation ?

2Cl- Cl2 + 2e

oxidationanswer

17