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 ____