Statement 1: In a chemical reaction, the mass of the reactants is equal to the mass of the products.
Statement 2: Chemical reactions involve only the rearrangement of atoms.

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Solution

According to the law of conservation of mass, mass can neither be created nor be destroyed in a chemical reaction.
This means that in a chemical reaction, the total mass of the reactants is equal to the total mass of the products.
Thus, atoms cannot be formed or destroyed during a chemical reaction, only the rearragngement of atoms takes place.

Thus, both statements 1 and 2 are true.

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Similar questions

What does the following statement mean? In a chemical reaction, the total mass of the reactants is equal to the total mass of the products.

Q. In a chemical reaction, the total mass of reactants is equal to the total mass of products.

In a chemical reaction, the mass of the reactants is equal to the mass of the products if the reaction has the same number of atoms of different elements on either side of the chemical equation respectively.

According to __________, during a chemical reaction, the total mass of the products remains equal to that of reactants

Q. In a balanced chemical reaction, equal number of atoms are present on both sides of reaction. A balanced chemical reaction is based on law of conservation of mass which means that total mass of reactants and products participating in a reason must be equal.

(a) Translate the following statement into chemical equation.
(b) balance the chemical reaction.

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Statement 1: In a chemical reaction, the mass of the reactants is equal to the mass of the products. Statement 2: Chemical reactions involve only the rearrangement of atoms.

Statement 1: In a chemical reaction, the mass of the reactants is equal to the mass of the products.
Statement 2: Chemical reactions involve only the rearrangement of atoms.