Ion Tests for GCSE Chemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Lithium ions | Flame test (nichrome wire / concentrated HCl) | Red flame
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| Sodium ions | Flame test (nichrome wire / concentrated HCl) | Yellow / Orange Flame
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| Potassium ions | Flame test (nichrome wire / concentrated HCl) | Lilac flame
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| Calcium ions | Flame test (nichrome wire / concentrated HCl) | Brick red
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| Barium ions | Flame test (nichrome wire / concentrated HCl) | Light green
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| Copper ions | Flame test (nichrome wire / concentrated HCl) | Blue / green
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| Aluminium ions | Precipitate in sodium hydroxide solution | White precipitate
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| Calcium ions | Precipitate in sodium hydroxide solution | White precipitate
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| Magnesium ions | Precipitate in sodium hydroxide solution | White precipitate
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| Copper ions | Precipitate in sodium hydroxide solution | Blue precipitate
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| Iron (II) ions | Precipitate in sodium hydroxide solution | Green precipitate
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| Iron (III) ions | Precipitate in sodium hydroxide solution | Brown (rust) precipitate
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| Carbonate ions | Add HCl, identify gas produced | Gas turns lime water cloudy (carbon dioxide)
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| Sulphite ions | Add HCl, identify gas produced | Gas turns acidified potassium dichromate (VI) orange > green
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| Sulphate ions | Add HCl and barium chloride | White precipitate
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| Bromide ions | Add dilute nitric acid and silver nitrate | Cream precipitate
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| Chloride ions | Add dilute nitric acid and silver nitrate | White precipitate
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| Iodide ions | Add dilute nitric acid and silver nitrate | Yellow precipitate
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| Nitrate ions | Add sodium hydroxide and aluminium powder | Ammonia gas produced (forms white smoke in presence of hydrogen chloride gas)
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
juliacorbett
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