Chemical Reactions and Equations Crossword by Amin 10-O

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Across
  1. 3. It is used in the manufacture of cement (CaO).
  2. 4. The new substance formed in a chemical reaction.
  3. 6. It points towards the products and shows the direction of the reaction.
  4. 8. The gain of oxygen and loss of hydrogen.
  5. 10. A reaction where decomposition reaction is carried out by photons.
  6. 12. A reaction where decomposition reaction is carried out by electricity.
  7. 13. Any type of reaction that produces a precipitate.
  8. 14. A reaction where decomposition reaction is carried out by heating.
  9. 15. The loss of oxygen and loss of hydrogen.
Down
  1. 1. An exothermic reaction which occurs in living organisms.
  2. 2. The substances that undergo chemical change in a chemical reaction.
  3. 5. The reaction where a single substance decomposes to give two or more substances.
  4. 6. The physical state of a reactant or a product which is present as a solution in water.
  5. 7. Reactions where energy is absorbed.
  6. 9. Reactions where heat is given out along with the products.
  7. 11. The reaction where two or more substances combine to form a new single substance.