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Question 10. The process of digestion is a chemical change. Justify. Give an example of a physical change that occurs by the action of heat. (3) Name the metal which is used for galvanizing iron.

Answer»


Question 10.





  1. The process of digestion is a chemical change. Justify.




  2. Give an example of a physical change that occurs by the action of heat.





(3) Name the metal which is used for galvanizing iron.





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