Which of the following is true about chemical reaction?

Formation of new products takes place

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Mass is conserved in a chemical reaction

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We can get back the initial reactants

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Both A and B

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Solution

The correct option is D
Both A and B

In a chemical reaction formation of new products take place and mass is conserved in a chemical reaction as the mass of the reactants before the reaction is equal to the mass of the products after reaction. Therefore, option D is correct.

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Similar questions

Q. Assertion: In a chemical reaction, the sum of the masses of the reactants and products remain unchanged.

Reason: According to the law of conservation of mass, mass can neither be created nor destroyed.

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. Energy is conserved in chemical processes.

Q. Assertion(A): The balancing of chemical equations is based on the law of conservation of mass.
Reason(R): Total mass of reactants is equal to the total mass of products.

Which of the following are correct with respect to chemical reactions?
(i) Chemical compositon changes
(ii) Formation of new products takes place
(iii) We can’t obtain the intial reactants by simple physical means like filtering, dissolving etc.

Q. Which law states that the total mass of the reactants is equal to the total mass of the products in a chemical reaction?

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Which of the following is true about chemical reaction?

The correct option is D Both A and BIn a chemical reaction formation of new products take place and mass is conserved in a chemical reaction as the mass of the reactants before the reaction is equal to the mass of the products after reaction. Therefore, option D is correct.

The correct option is D
Both A and B

In a chemical reaction formation of new products take place and mass is conserved in a chemical reaction as the mass of the reactants before the reaction is equal to the mass of the products after reaction. Therefore, option D is correct.