A metal ribbon X burns in oxygen with a dazzling

Chemical Reactions (10)

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:

  1. X = Ca ; Y = CaO ;  Type of reaction = Decomposition
  2. X = Mg ; Y = MgO ;  Type of reaction = Combination
  3. X = Al ; Y = Al2O3 ;  Type of reaction = Thermal decomposition
  4. X = Zn ; Y = ZnO ;  Type of reaction = Endothermic

Answer

(B) X = Mg ; Y = MgO ;  Type of reaction = Combination

Exam Year: 2023
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