KS3 Y7 Neutralisation

Gap-fill exercise.

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Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button if available to get a clue. Note that you will lose points if you ask for hints or clues!
   10      3.5      7      acidic      alkaline      amount      cancel      less      more      neutral      neutralisation      streng      weak acid      weak alkali   
The acids and alkalis we refer to are solutions.

The pH of acid is than 7
The pH of alkali is than 7

When an alkali is mixed with an acid they each other out.
What you get as a result is no longer an acid or an alkali but a substance with pH of .

This reaction is called .
For to take place the same and th of acids and alkalis must be used.

If you ever get stung by a bee you can treat the sting with a . This is because the sting of a bee is with a pH of about

Wasp stings on the other hand are with pH of about so a can be used to treat the stings.

 

 

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