Question

Group A:
1) 2AgNO₃ + Na₂CrO₄ → Ag₂CrO₄ + 2NaNO₃.( )
2) 2 NH₃ → N² + 3H₂ ( )
3) C₂H₄ + H₂O → C₂H₆O ( )
4) Fe₂O₃ + 3CO → 2 F₂+ 3CO₂( )
Group B :
a) combination reactions
b) decomposition reactions.
c) displacement reactions.
d) double displacement Reactions.
Match the above to groups:

Answer 1

1) 2AgNO3+Na2CrO4==>Ag2CrO4+2NaNO3 it is double displacement reaction (d)
2)2NH3==>N2+3H2 it is decomposition reaction (b)
3) C2H4+H2O==> C2H6O it is combination reaction (a)
4)Fe2O3 +3CO ==>2Fe+3CO2 it is displacement reaction (c)

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