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CBSE Class 10 Answered

write down the observation which indicate the occ
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Asked by sumitk12344 | 11 Feb, 2020, 09:23: PM
answered-by-expert Expert Answer

Following are the observations that indicate the chemical reaction has taken place:
  • Change in colour
  • Evolution of gas
  • Changee in temperature
  • Formation of precipitate
  • Change in pH

 
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