Safe water

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What is Chlorine an example of?
A halogen.
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how can the halide ions be identified?
by adding silver nitrate solution with dilute nitric acid.
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What colour precipitate does a chloride, bromide and iodide solution make?
in order white, cream and yellow.
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how do ammonium ions get into water?
they are used on fertilisers by farmers and can get washed into lakes and rivers.
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what is the test for ammonium ions in water, and what are the results?
warm it up with sodium hydroxide solution, it gives off a smelly alkaline gas called ammonia, it turns damp red litmus paper blue.
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Other cards in this set

Card 2

Front

how can the halide ions be identified?

Back

by adding silver nitrate solution with dilute nitric acid.

Card 3

Front

What colour precipitate does a chloride, bromide and iodide solution make?

Back

Preview of the front of card 3

Card 4

Front

how do ammonium ions get into water?

Back

Preview of the front of card 4

Card 5

Front

what is the test for ammonium ions in water, and what are the results?

Back

Preview of the front of card 5

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