plzz tell q. 14 and 15
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Amishamehta:
and ur
set no. konsa tha
This was not my set
Although i can give answer
ok
which set no.
mst gaya
mera set 1 tha
me toooo
set 1
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Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
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it's a question of science class 10 board
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