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Card 16
Front
Hard water can result in extra costs for heating elements in appliances as it forms scale. This is because of its:
Back
Card 17
Front
Hard water is often said to be good for human health as it's ion content helps:
Back
Card 18
Front
Hardness can be removed from water by:
Back
Card 19
Front
Most covalent compounds are:
Back
Card 20
Front
Clouds are formed when water vapor rises higher and cools. This is called:
Back
Card 21
Front
Group 7 elements are called:
Back
Card 22
Front
The elements in group one's melting points:
Back
Card 23
Front
When testing for Iron(II) ions, Fe2+, you will add:
Back
Card 24
Front
When testing for Sulfate ions, SO42-, you should add:
Back
Card 25
Front
Halogens react with metals to produce:
Back
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