Chemistry, asked by AmeenO, 7 months ago

Why we need to open the crucible lid slightly open during the burning of magnesium.

Answers

Answered by satishmadhale

Answer:

please mark as brainlylist

Explanation:

The partially open crucible cover slows the rate at which the Mg burns and reduces the loss of MgO as smoke. Knowing the masses of the Mg and MgO allows the stoichiometry of the reaction to be determined.

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