chemical reaction and equation

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Across
  1. 3. - formed after heating green coloured solid
  2. 5. - used in black and white photography
  3. 9. - type of reaction in which energy is released
  4. 10. - the type of reaction involves splitting of substance into two products
Down
  1. 1. - the reaction in whcih insoluble residue is formed
  2. 2. - used for white washing
  3. 4. - slow eating away of metals
  4. 6. - slow oxidation of food materials
  5. 7. - yellow residue formed after heating white coloured salt
  6. 8. - the colour of silver after corrosion