Assertion: Chemical equations should

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Q.
Assertion: Chemical equations should be balanced.
Reason: As per the law of conservation of mass, mass can neither be created nor be destroyed.

1 Both assertion and reason are correct and reason is the correct explanation of assertion.

2 Both assertion and reason are correct, but reason is not the correct explanation of assertion.

3 Assertion is true, but reason is false.

4 Assertion is false, but reason is true.

Ans.
(1)

The chemical equations should be balanced because, as per the law of conservation of mass, “mass can neither be created nor be destroyed”. Therefore, the number of atoms on both sides of the equations should be equal.

Solution

Q.
Assertion: Chemical equations should be balanced.
Reason: As per the law of conservation of mass, mass can neither be created nor be destroyed.

1 Both assertion and reason are correct and reason is the correct explanation of assertion.

2 Both assertion and reason are correct, but reason is not the correct explanation of assertion.

3 Assertion is true, but reason is false.

4 Assertion is false, but reason is true.

Ans.
(1)

The chemical equations should be balanced because, as per the law of conservation of mass, “mass can neither be created nor be destroyed”. Therefore, the number of atoms on both sides of the equations should be equal.

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Solution

Q. Assertion: Chemical equations should be balanced. Reason: As per the law of conservation of mass, mass can neither be created nor be destroyed.

1 Both assertion and reason are correct and reason is the correct explanation of assertion.

2 Both assertion and reason are correct, but reason is not the correct explanation of assertion.

3 Assertion is true, but reason is false.

4 Assertion is false, but reason is true.

Ans. (1) The chemical equations should be balanced because, as per the law of conservation of mass, “mass can neither be created nor be destroyed”. Therefore, the number of atoms on both sides of the equations should be equal.

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Q.
Assertion: Chemical equations should be balanced.
Reason: As per the law of conservation of mass, mass can neither be created nor be destroyed.

Ans.
(1)

The chemical equations should be balanced because, as per the law of conservation of mass, “mass can neither be created nor be destroyed”. Therefore, the number of atoms on both sides of the equations should be equal.