PHYSICAL AND CHEMICAL CHANGES

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Across
  1. 1. A change in which a new substance is formed.
  2. 3. A solid in which atoms are arranged in a regular pattern.
  3. 6. The new substance formed in a chemical reaction.
  4. 7. Substance formed when two chemicals in solution form react and settles down.
  5. 10. It is caused during exothermic reaction.
  6. 11. The original substance participating in a chemical reaction.
  7. 12. The process of depositing a layer of zinc on iron.
  8. 13. A change in which no new substance is formed.
  9. 14. Reaction in which a compound breaks up into two or more substance.
Down
  1. 2. A commonly used technique for the purification of substance.
  2. 4. It is caused during endothermic reaction.
  3. 5. Substance when formed when iron is exposed to moist iron.
  4. 8. Reaction in which two or more substances combine to form a single substance.
  5. 9. It is also called chemical change.