GCSE CHEMISTRY - Revision Questions - Extraction of Metals - Electrolysis - Aluminium - Iron - Copper - Titanium - Alloys

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General Questions
1	What is an Ore?	Answer
2	What is the Difference between an Ore and a Mineral?	Answer
3	What are the most common Metal Ores?	Answer
4	Are Ores a Finite Resource?	Answer
5	Are Ores Renewable?	Answer
6	Name a Source of Metals other than Ores?	Answer
7	When is Carbon used for Extraction?	Answer
8	When is Electrolysis used for Extraction?	Answer
9	What does Native Metal mean?	Answer
10	What was the first really Useful Metal?	Answer

Electrolysis of Lead Bromide
11	Why is Lead Bromide Heated until it is Molten?	Answer
12	What are the Equations at the Electrodes called?	Answer
13	Do Lead Ions Gain or Lose Electrons at the Cathode?	Answer
14	Is the reaction at the Cathode called Oxidation or Reduction?	Answer
15	Write the Balanced Equation for the Overall Reaction.	Answer

Extraction of Aluminium
16	What is Aluminium Ore called?	Answer
17	What is the Chemical Formula for Aluminium Oxide?	Answer
18	Why is Cryolite added to Aluminium Ore?	Answer
19	Which Gases are given off at the Anode?	Answer
20	Why does the Anode need to be Replaced?	Answer
21	Write the Balanced Equation for the Overall Reaction.	Answer
22	Why is Aluminium More Expensive than Iron?	Answer
23	Why is Aluminium Resistant to Corrosion?	Answer
24	What is Anodising?	Answer
25	What Substance is used to Remove the Oxide Layer before Anodising?	Answer
26	Which Acid is used as the Electrolyte for Anodising?	Answer
27	Which Gas is given off at the Anode during Anodising?	Answer
28	Which Gas is given off at the Cathode during Anodising?	Answer
29	Does Aluminium have a High Density?	Answer
30	Is Aluminium a Good Conductor of Heat?	Answer
31	Give two uses of Aluminium.	Answer

Extraction of Iron
32	What is Haematite?	Answer
33	Which three Raw Materials are added through the Top of the Blast Furnace?	Answer
34	What is Coke?	Answer
35	Write the Balanced Equation for the Combustion of Coke.	Answer
36	Which compound Reduces Iron in the Blast Furnace?	Answer
37	Write the Balanced Equation for the Reduction of Iron in the Blast Furnace.	Answer
38	Why is Limestone used in the Blast Furnace?	Answer
39	What is Thermal Decomposition of Limestone.	Answer
40	Write the Balanced Equation for the Thermal Decomposition of Limestone.	Answer
41	Give one Use of Slag.	Answer
42	Where does the Carbon in Cast Iron come from?	Answer
43	How can the amount of Carbon in Cast Iron be Reduced?	Answer
44	Which Alloy is the majority of Iron made into?	Answer
45	Is Iron a Magnetic Metal?	Answer
46	Is Cast Iron brittle?	Answer
47	Does Cast Iron Rust more easily than Steel?	Answer
48	Give one Use of Cast Iron.	Answer
49	Give one Use of Wrought Iron.	Answer

Purification of Copper
50	Is the Anode made from Pure or Impure Copper?	Answer
51	Which Compound is used as the Electrolyte during Purification?	Answer
52	Write the equation for the Reduction of Copper at the Cathode.	Answer
53	Is Copper a Magnetic Metal?	Answer
54	Is Copper a Good Conductor of Electricity?	Answer
55	Is Copper Resistant to Corrosion?	Answer
56	Give two Uses of Copper.	Answer

Extraction of Titanium
57	What is Rutile?	Answer
58	Which Compound of Titanium does Rutile contain?	Answer
59	Why is Titanium not Extracted by Electrolysis?	Answer
60	Write the Equation for the Reaction of Magnesium with Titanium Chloride.	Answer
61	Why does the Reaction need an Argon Atmosphere?	Answer
62	Does Titanium have a High Density?	Answer
63	Is Titanium Hard?	Answer
64	Is Titanium Resistant to Corrosion?	Answer
65	Give one Use of Titanium Alloys.	Answer

Alloys
66	What is an Alloy?	Answer
67	How can Adding Metals change the Properties of an Alloy?	Answer
68	What is Duralumin?	Answer
69	What is Brass?	Answer
70	Give one Use of Brass.	Answer
71	What is Bronze?	Answer
72	Give one Use of Bronze.	Answer
73	Give one Use of Cupro-nickel.	Answer
74	What is Steel?	Answer
75	Is Low Carbon Steel used to make Bridges?	Answer
76	Is Low Carbon Steel used to make Tools?	Answer
77	What is Manganese Steel used for?	Answer
78	What is Stainless Steel used for?	Answer
79	What is Rusting?	Answer
80	How is Rusting prevented? Give two methods.	Answer
81	What is Zinc Plating called?	Answer
82	What Electrolyte would you use for Silver Plating?	Answer
83	What is Sacrificial Protection of Iron or Steel?	Answer
84	When is Sacrificial Protection used?	Answer
85	What is Solder?	Answer
86	Give one Use of Solder.	Answer
87	Give one use of Titanium.	Answer
88	What is Gold mixed with?	Answer
89	What is a Smart Alloy?	Answer
90	Give one use of Nitinol.	Answer