Q. 1 A4.7( 15 Votes )

Balancing of equa A. Avogadro number

B. the principle of conservation of momentum

C. conditions for a chemical reaction to take place

D. the law of conservation of mass or matter

Answer :

Balanced chemical equation: A chemical equation in which the number of atoms of reactants and the number of atoms of products is equal is called a balanced equation.


Every chemical equation should be balanced because:


i) According to the law of conservation of mass, atoms are neither created not destroyed in chemical reactions.


ii) It means the total mass of the products formed in a chemical reaction must be equal to the mass of reactants consumed.


Hence, the correct option is (d)

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