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AgNO(3)+NaCl to AgCldarr+NaNO(3) FeS+H...

`AgNO_(3)+NaCl to AgCldarr+NaNO_(3)`
`FeS+H_(2)SO_(4)toFeSO_(4)+H_(2)Suarr`
What do the upward and downward arrow marks indicate in the above chemical equations ?

Text Solution

Verified by Experts

`uarr` Upward arrow mark indicates that gas is evolved and `darr` downward arrow mark indicates that an insoluble precipitate (compound) is formed.
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