Across
- Many molecules per litre of solvent.
- A way of writing down a chemical reaction (4,8).
- A corrosive alkali is called ...
- A yellow citrus fruit.
- The most common solvent.
- Something with a pH of 7.
- Few molecules per litre of solvent.
- Put this acid on your chips together with salt.
- A dangerous substance that dissolves other materials.
- Battery acid.
- Acid from grapefruits and oranges.
Down
- Something with a pH less than 7.
- When substances chemically combine they ......
- Shows whether something is alkali or acid.
- This is from 0 to 14 for the pH scale of acids and alkalis.
- Red and blue indicator.
- A liquid with a solid dissolved in it.
- How an acid-alkali indicator indicates.
- Removes colour or stains from cloth.
- Something with a pH more than 7.
- Acidic food taste.
7E - Acids and alkalis Dr J E F Frost
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