PHYSICAL AND CHEMICAL CHANGES

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Across
  1. 3. REDDISH-BROWN SUBSTANCE WHEN IRON IS EXPOSED TO MOIST AIR
  2. 6. ANOTHER NAME FOR CHEMICAL CHANGE
  3. 7. WHEN A COMPOUND BREAKS UP INTO 2 OR MORE SUBSTANCES
  4. 8. REACTIONS DURING WHICH HEAT IS RELEASED
  5. 9. SUBSTANCE UNDERGOES CHANGE ONLY IN PHYSICAL PROPERTIES
  6. 11. 2 CHEMICALS IN SOLUTION REACT AND AN INSOLUBLE SUBSTANCE IS FORMED
  7. 12. PROCESS OF DEPOSITING A LAYER OF ZINC ON IRON
  8. 13. BUBBLES IN A SODA CAN DUE TO THE PRESENCE OF CARBON-DIOXIDE
Down
  1. 1. WHEN A COMPOUND IS FORMED FROM ITS ELEMENTS OR FROM SIMPLER SUBSTANCES
  2. 2. REACTIONS IN WHICH HEAT IS ABSORBED
  3. 4. ORIGINAL SUBSTANCES PARTICIPATING IN A CHEMICAL REACTION
  4. 5. NEW SUBSTANCES FORMED DURING A CHEMICAL REACTION
  5. 10. OCCURS WHEN 2 SUBSTANCES REACT CHEMICALLY TO FORM NEW SUBSTANCES