Key words
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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| Acid | Acid A substance that releases hydrogen ions (H+)
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| Base | A substance that releases hydroxide ions (OH-)
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| Alkali | A soluble base
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| Caution | To be careful
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| Diluted | Adding water to make less concentrated
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| Toxic | Poisonous
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| Irritant | Cause soreness or sting
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| Concentrated | A solvent containing a large amount of solute
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| Precaution | A procedure to avoid harm
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| Indicator | A dye that changes colour at different pH
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| Neutral | pH = 7
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| pH | The hydrogen ion concentration (integers represent multiples of 10)
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| pH scale | 1 most acidic to 14 most alkali
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| Neutralisation | Acid and base reacting to from water and a salt
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| Salt | A positive metal ion forming an ionic bond with a negative non-metal ion (or polyatomic ion)
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| Antacid | A medicine to neutralize excess stomach acid
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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.
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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:
andrewweng0406
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