Lesson 4.10.3.2
4.10.3.2 Alloys as useful materials Quiz: AQA Chemistry, Unit 10
20 questions
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Lesson 4.10.3.2, Alloys as useful materials: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 10: Using resources, written with Revision Ninja.
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The 20 questions
-
Bronze is an alloy of which metals?
- Iron and carbon
- Gold and silver
- Copper and zinc
- Copper and tin
-
Brass is an alloy of which metals?
- Copper and zinc
- Copper and tin
- Iron and nickel
- Aluminium and magnesium
-
Which metals are commonly alloyed with gold for jewellery use?
- Iron and carbon
- Zinc and nickel
- Tin and lead
- Silver and copper
-
What does 24 carat mean for gold?
- 75 percent gold
- 0 percent gold
- 100 percent pure gold
- 50 percent gold
-
What percentage of gold is in 18 carat gold?
- 100 percent
- 18 percent
- 50 percent
- 75 percent
-
What physical property is characteristic of high carbon steel?
- Resistant to corrosion
- Low density
- Strong but brittle
- Soft and easily shaped
-
What physical property is characteristic of low carbon steel?
- High density
- Soft and shaped easily
- Strong and brittle
- Brittle and hard
-
Stainless steels contain which two metals?
- Lead and silver
- Tin and zinc
- Sodium and chlorine
- Chromium and nickel
-
What is the key physical property of aluminium alloys?
- High density
- Brittle structure
- Low density
- High melting point
-
Which application specifically suits an aluminium alloy?
- Jewellery settings
- Cutting tools
- Bridge cables
- Aircraft parts
-
What metals are mixed with iron to make stainless steel?
- Copper and tin
- Copper and zinc
- Chromium and nickel
- Silver and zinc
-
A knife must be hard and resist corrosion. Which material suits best?
- Gold
- Brass
- Low carbon steel
- Stainless steel
-
Car body panels must be easily shaped. Which steel is most suitable?
- Brass
- High carbon steel
- Low carbon steel
- Bronze
-
A 9 carat gold piece contains what percentage of gold?
- 75 percent
- 9 percent
- 37.5 percent
- 50 percent
-
A 14 carat gold piece contains approximately what percentage of gold?
- 75 percent
- 14 percent
- 100 percent
- About 58 percent
-
What percentage of gold is found in 18 carat gold jewellery?
- 25%
- 100%
- 50%
- 75%
-
What is the ratio of gold to other metals in 18 carat gold?
- 1 : 3
- 4 : 1
- 2 : 1
- 3 : 1
-
Which steel type is strong but brittle?
- Mild steel
- High carbon steel
- Low carbon steel
- Stainless steel
-
Bronze is an alloy of copper combined with which metal?
- Zinc
- Tin
- Iron
- Nickel
-
Brass is an alloy of copper combined with which metal?
- Zinc
- Tin
- Carbon
- Chromium
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