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7 Acids and Alkalis
Acids and alkalis keywords
| Question | Answer |
|---|---|
| A substance that turns litmus red. It has a pH of less than 7. | acid |
| Chemical name for vitamin C. | ascorbic acid |
| The acid in vinegar. | ethanoic acid |
| Substances that attack metals, stonework and skin | corrosive |
| Another word for irritant. | harmful |
| A common acid that is also found in your stomach. | hydrochloric acid |
| A common acid. Used in car batteries. | sulfuric acid |
| Substance that turns litmus blue. Has a pH of more than 7. | alkali |
| A dye that will change colour in acids and alkalis. | indicator |
| A simple kind of indicator. It turns red in acids and blue in alkalis. | litmus |
| Substance that is not an acid or an alkali. Has a pH of 7. | neutral |
| A mixture of indicators giving a different colour depending on how weak or strong an acid or alkali is. | universal indicator |
| A tube with a tap at the bottom and a measuring scale on its side. Used to add a measured quantity of a liquid to another one. | burette |
| When something is made pH7 | neutralisation |