Class 10 - SCI - Ch.1

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Across
  1. 3. carbohydrates are broken down to form
  2. 5. reaction in which heat is released
  3. 6. (aq) represents
  4. 7. calcium oxide
  5. 8. reaction in which a single reactant breaks down to form simpler products
  6. 10. reaction in which energy is absorbed
  7. 12. single product formed from two or more reactants is ____ reaction
Down
  1. 1. reaction in which one element replaces another
  2. 2. silver chloride turns ___ in sunlight
  3. 4. a substance is said to be ___ if it loses oxygen
  4. 9. reaction in which oxgyen is gained
  5. 11. substance that undergoes chemical change in reaction