Chemical Reactions and Equations

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Across
  1. 2. Two or more reactants combining to form one substance
  2. 9. Electrolysis of water produces _____ gas at the cathode.
  3. 10. Chemical name of lime stone
  4. 12. Brown substance formed when ferrous sulphate is heated.
  5. 14. Removal of oxygen
  6. 15. Reaction in which heat is given out is known as _____ reaction.
Down
  1. 1. A reaction in which a more reactive metal displaces a less reactive metal from its solution.
  2. 3. Natural gas
  3. 4. Brown colour gas evolved when lead nitrate is heated.
  4. 5. Removal of hydrogen
  5. 6. When two aqueous solutions are mixed, the solid that settles down is known as
  6. 7. Chemical name for slaked lime
  7. 8. Oxidation of fat and oil in food
  8. 11. Reaction of a metal with the substances like moisture, air etc. around it.
  9. 13. Calcium oxide is also known as