Question

An element X when burn in presence of oxygen give a white flame with formation of​

Answer 1

Magnesium

Explanation:

Answer 2

Answer:

when you burn a magnesium ribbon or strip then you get a bright white dazzling flame

the reaction goes like below

Mg(s) + O2(g) -----∆----⟩ Mg2O(s)

∆ is symbol for heat (energy)

Explanation:

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Note:

copper burns with blue and green flame