The chemical equation doesn't change if all its coefficients are multiplied by a common natural number.

True

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False

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Solution

The correct option is A
True

The statement 'The Chemical equation doesn't change if all its coefficients are multiplied by a common natural number' is true.

Example: Consider the following equations which has the coefficients of $Z n$ , $H C l$ , $Z n C l_{2}$ and $H_{2}$ respectively as 1, 2, 1, and 1 respectively.

$Z n + 2 H C l \to Z n C l_{2} + H_{2}$

If we multiply all the coefficients by a number 3, the equation remains balanced.

$3 Z n + 6 H C l \to 3 Z n C l_{2} + 3 H_{2}$

The chemical reaction doesn't change, only the molecules involved in the reaction increase by three times.

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Similar questions

State whether the following statements are true or false. In case a statement is false, write the corrected statement in your notebook.

(a) Cutting a log of wood into pieces is a chemical change. (True/False)

(b) Formation of manure from leaves is a physical change.

(True/ False)

(d) Iron and rust are the same substances. (True/False)

(e) Condensation of steam is not a chemical change. (True/False)

The chemical equation doesn't change if all its coefficients are multiplied by a common natural number.

A balanced chemical equation doesn't change if all its coefficients are multiplied by a common natural number.

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