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Chemistry CBSE Live product
Class 10
Chemical reaction and equations
Annual Revision I - Chemical reactions and equations
4.
Types of reaction
Question:
2
m.
Answer the following question:
A shiny reddish brown metal ‘X’ burns forming a black solid ‘Y’. 'X' is used in electrical wiring. Identify 'X', 'Y', and type of reaction.
i. '
X' is
\(Cu\)
\(Zn\)
\(Mg\)
\(Al\)
ii. '
Y' is
\(CuO\)
\(ZnO\)
\(Al_2O_3\)
\(Fe_2O_3\)
iii.
Type of reaction is
Displacement
Decomposition
Redox
Combination
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