A metal ribbon ‘X’ burns in oxygen with a dazzling white flame forming a white ash ‘Y’. The correct description of X, Y and the type of reaction is:
A. X=Ca;Y=CaO; Type of Reaction = Decomposition
B. X=Mg;Y=MgO; Type of Reaction = Combination
C. X=Al;Y=Al2O; Type of Reaction = Thermal Decomposition
D. X=Zn;Y=ZnO; Type of Reaction = Endothermic
Answer:B
A metal ribbon ‘X’ burns in oxygen with a dazzling white flame forming a white ash ‘Y’. The correct description of X, Y and the type of reaction is:
A. X=Ca;Y=CaO; Type of Reaction = Decomposition B. X=Mg;Y=MgO; Type of Reaction = Combination C. X=Al;Y=Al2O; Type of Reaction = Thermal Decomposition D. X=Zn;Y=ZnO; Type of Reaction = Endothermic