Chemistry, asked by kitha05, 11 months ago

State any 2 observations in an activity which may suggest that a chemical reaction has taken place .give examples to support the answer
Plz... answer quick

Answers

Answered by shrikrushna3338
3

When iron nails are putted in water they get rust hence we can determine that chemical reactions had taken place.

Answered by sahasraramadugu2005
2

colour change, appearance of bubbles.

example-during the process of electrolysis bubbles appear, carbon dioxide oxide mixed with MILk of magnesia changes colour


sahasraramadugu2005: thank u
shrikrushna3338: ur welcome
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