Chemistry, asked by harikaphani152, 1 year ago

which are chemical changes and which are physical changes from the following
the process of digestion
burning of the crackers
the process of respiration
powdered lime added to water
ripening of mango
exposing iron nails to moisture in air for longer period

Answers

Answered by dimpy7
3
Hi friend

process of digestion is a chemical change.
burning of crackers is a chemical change
process of respiration is a chemical change.
powdered lime added to water is a physical change
ripening of mango is a chemical change.
exposing iron nails to moisture in air for longer period is a chemical change.

hope it helps....
Answered by Anonymous
3
1) The process of digestion --> Chemical Change

2)B
urning of the crackers --> Chemical Change

3)T
he process of respiration -->  Chemical Change

4)Powdered lime added to water --> Physical Change 

5)Ripening of mango -->  Chemical Change

6)E
xposing iron nails to moisture in air for longer period -->  Chemical Change
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