which type of reaction is this
a) vegetable matter changing into compost
b) burning of natural gas when left exposed to air
c) silver items turning black
d) change in color of copper sulphate for blue and green when iron nail is dipped in it
Answers
Answered by
14
a)chemical reaction.b)chemical reaction.c)physical reaction.d)chemical reaction.
aman76151:
wlcm
it which class do you read
class 8
and from where are you
7th or 8th....
sry....i m in 10th
i m frm delhi
i am also in 10th from punjab, khanna
k..
bye
Answered by
7
a) chemical reaction
b) chemical reaction
c) physical reaction
d) chemical reaction
b) chemical reaction
c) physical reaction
d) chemical reaction
thanks it is helpful to me
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