Combination reaction — task. Science CBSE Homework Assignments, Class 10.

Section A: Choose the correct answer for the given question from the options.

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:

X = \(Al\); Y = \(Al_2O_3\); Type of reaction = Thermal decomposition
X = \(Ca\); Y = \(CaO\); Type of reaction = Decomposition
X = \(Mg\); Y = \(MgO\); Type of reaction = Combination
X = \(Zn\); Y = \(ZnO\); Type of reaction = Endothermic

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1. Combination reaction

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