Multi-word fill quiz Q2 on "Simple Chemical Reactions" © Doc Brown's KS3 chemistry

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   copper      corrosion      dissolves      hydrogen      lighted      magnesium      metal      new      oxygen      roofing      rust      splint   
1. If a reacts with acid the gas is usually formed.
2. The gas can be tested for by using a and the gas explodes with a pop!
3. The metal reacts fast with acids and completely in the acid. If all the metal 'disappears' it must have formed a substance.
4. Acid attack on metals is an example of , which can also be caused by the gas dissolved in water.
5. The metal does not readily react with acids and so can be used as a material because it will not away like iron.