Unit 3 - Water

?
What does hard water make?
scale
1 of 5
what is dissolved in into hard water?
calcium and magnesium ions
2 of 5
What is formed when hard water is heated?
scum
3 of 5
What is the proper name for scum?
Calcium carbonate
4 of 5
What are calcium ions good for?
teeth and bones
5 of 5

Other cards in this set

Card 2

Front

what is dissolved in into hard water?

Back

calcium and magnesium ions

Card 3

Front

What is formed when hard water is heated?

Back

Preview of the front of card 3

Card 4

Front

What is the proper name for scum?

Back

Preview of the front of card 4

Card 5

Front

What are calcium ions good for?

Back

Preview of the front of card 5

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