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Science CBSE Mentoring Hindi
Class 10 Crash course
Chemical reactions and equations
Annual Revision I - Chemical reactions and equations
4.
Types of reaction
Question:
2
m.
Answer the following question:
A metal ribbon ‘X’ burns in oxygen with a dazzling white flame forming a white ash ‘Y’. Identify X, Y and the type of reaction.
i. '
X' is
\(Zn\)
\(Al\)
\(Mg\)
\(Ca\)
ii. '
Y' is
\(ZnO\)
\(Al_2O_3\)
\(CaO\)
\(MgO\)
iii.
Type of reaction is
Combination
Displacement
Endothermic
Thermal decomposition
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