C1 3.4 - 3.6

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What is the problem with copper- rich ores?
They are a limited resource and in danger of running out.
1 of 6
Why is it important to not let sulfur dioxide into the air?
Causes acid rain.
2 of 6
Smelting and Purifying costs a lot of money, why is this?
They use huge amounts of heat and electricity.
3 of 6
What other disadvantage (other than being expensive) does smelting and purifying cause?
Has a big impact on the environment.
4 of 6
Name some uses of steel in the building industry.
Steel girders supporting skyscrapers, suspension bridges use thick steel cables and concrete bridges are reinforced with steel rods.
5 of 6
What are the drawbacks of steel?
The iron in it rusts, stainless steel is much more expensive so hard find replacement, expensive to prevent rusting (paint, coatings)
6 of 6

Other cards in this set

Card 2

Front

Why is it important to not let sulfur dioxide into the air?

Back

Causes acid rain.

Card 3

Front

Smelting and Purifying costs a lot of money, why is this?

Back

Preview of the front of card 3

Card 4

Front

What other disadvantage (other than being expensive) does smelting and purifying cause?

Back

Preview of the front of card 4

Card 5

Front

Name some uses of steel in the building industry.

Back

Preview of the front of card 5
View more cards

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