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Card 6
Front
Does soft water contain dissolved substances?
Back
Card 7
Front
How can hard water be made soft?
Back
Card 8
Front
Are all types of hard water affected by heating?
Back
Card 9
Front
Why is temporary hard water affected by heating/boiling?
Back
Card 10
Front
Why is permanent hard water unaffected by heating/boiling?
Back
Card 11
Front
What is meant by 'temporary hard water'?
Back
Card 12
Front
What does temporary hard water contain?
Back
Card 13
Front
What do the hydrogen carbonate ions in temporary hard water decompose to produce when heated?
Back
Card 14
Front
What is the chemical reaction that occurs when temporary hard water is heated and hydrogencarbonate ions decompose using chemical symbols?
Back
Card 15
Front
When temporary hard water is softened by heating, what is produced when the carbonate ions react with calcium ions and magnesium ions in the water?
Back
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