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What are the observations those helps …

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What are the observations those helps us to determine the chemical reactions

Posted by Mohd Sami 5 years, 5 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 5 months ago

Following are the observations to determine whether the chemical reaction has taken place or not:

Change in colour
Evolution of gas
Change in temperature
Formation of precipitate
Change in pH

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