A metal ribbon ‘X’ bums in oxygen with a dazzling white flame forming white ash the accurate description of X Y and the type of reaction is:

Class 10th science, Question Paper 2023:A metal ribbon ‘X’ bums in oxygen with a dazzling white flame forming white ash the accurate description of X Y and the type of reaction is:

These are the options for the question :A metal ribbon ‘X’ bums in oxygen with a dazzling white flame forming white ash the accurate description of X Y and the type of reaction is:

The correct answer is -(b)