KS3 Y7 Acids and Corrosion

Gap-fill exercise.

Name:_________________________Class:___________________Date:__________________

  
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!
   acid rain      ater      attack      break      brown rust      corrode      corrosive      dissolve      faster      hydrogen      hydrogen gas      iron oxide      lighted splint      magnesium      metal      oxygen      products      reactants      rust      slow      squeaky pop      Sulphur dioxide      sulphuric      sulphuric acid      water   
7Fb Acids and Corrosion

Acids are chemicals. To be means to have the ability to and things down.

W and can down or iron into which is chemically . This is the reason why cars slowly over many years and eventually crumble.

Acids can iron even . produced by electrical power stations will rise up into the atmosphere. It will in rainwater and we get coming down. This will cars even .

When acids react with a , is produced. The reaction between acid and iron may be but a reaction between an acid like acid and can be a lot and we can actually observe the reaction. We can collect the gas in a test tube and test for it.

We use a and place it near the mouth of the test tube. A is heard. This happens when the gas suddenly reacts or burns with the in air to form . This is the test for gas.

In this reaction the and the and reacting. So they are called .

The gas produced so is called one of the .

 

 

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