physical and chemical properties

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Across
  1. 2. , ,Stainless steel is made by mixing iron with ___ and other metals
  2. 5. , ,A change in which one or more new substances are formed is called a ____ change
  3. 6. , ,substances can be obtained in pure state from their solutions by ____
  4. 8. , ,A physical change is generally ____
  5. 9. , ,the ____ layer in our atmosphere protects us from the harmful ultraviolet radiation which come from the sun.
Down
  1. 1. , ,Beating aluminium to make aluminium foil is ____ change.
  2. 2. , , Copper sulphate solution with Iron produces Iron sulphate solution and ____
  3. 3. , ,This process of depositing a layer of zinc on iron is called ______
  4. 4. , ,____ and baking soda together produced carbon dioxide, which turned lime water milky
  5. 7. , ,If you leave a piece of iron in the open for some time, it acquires a film of brownish substance and the process of its formation is called ____