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