Hard Water

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  • Created by: Becky
  • Created on: 26-03-13 18:25
When is scum formed?
When soap reacts with dissolved compounds in hard water.
1 of 4
How can hard water be made soft?
By removing dissolved calcium and magnesium ions that react with soap.
2 of 4
What do hydrocarbonate ions decompose to form?
Carbonate ions, carbon dioxide and water.
3 of 4
How can hardness from temporary hard water be removed?
By boiling.
4 of 4

Other cards in this set

Card 2

Front

How can hard water be made soft?

Back

By removing dissolved calcium and magnesium ions that react with soap.

Card 3

Front

What do hydrocarbonate ions decompose to form?

Back

Preview of the front of card 3

Card 4

Front

How can hardness from temporary hard water be removed?

Back

Preview of the front of card 4

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