Give reasons:
When magnesium is burnt in air, there is an increase in mass after the reaction.

Question

Give reasons: When magnesium is burnt in air, there is an increase in mass after the reaction.

KnowledgeBoat · Accepted Answer

When magnesium is burnt in air, it forms magnesium oxide. The mass of magnesium oxide is found to be more than the mass of magnesium because the mass of oxygen used is not taken into consideration. If that is considered the total mass of the reactants and the products are found to be almost equal. 2Mg + O2 2MgO

Chemistry

Give reasons:
When magnesium is burnt in air, there is an increase in mass after the reaction.

Matter

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Chemistry

Give reasons:When magnesium is burnt in air, there is an increase in mass after the reaction.

Matter

Related Questions

Give reasons:Solids cannot be compressed.

Give reasons:Liquids can flow.

Give reasons:When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water.

Give reasons:A piece of chalk can be broken easily into smaller pieces but a coal piece cannot be broken easily.

Give reasons:
When magnesium is burnt in air, there is an increase in mass after the reaction.

Give reasons:
Solids cannot be compressed.

Give reasons:
Liquids can flow.

Give reasons:
When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water.

Give reasons:
A piece of chalk can be broken easily into smaller pieces but a coal piece cannot be broken easily.