plz answer my question
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Thank you! Have a good day.
2-a
3- c
4. b
Thank you! Have a good day.
namrah66:
same to u
Namrah66 I answered it yesterday.
yaaa i know but i was it now
Okay no issue any more questions?
yaaaaa
calcium floats on water during the reaction with water . give scientific reason can you plz answer this question
Calcium floats on water because when it reacts with water it forms calcium hydrooxide and release hydrogen. Now the hydrogen gas released during the reaction get attached to the surface of the metals means to the surface of calcium therefore it appears to float on water.
thanks alot
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