Statement I: When $10 \mathrm{~g}$ of $\mathrm{CaCO}_3$ is decomposed $5.6 \mathrm{~g}$ of $\mathrm{CaO}$ and $4.4 \mathrm{~g}$ of $\mathrm{CO}_2$ are formed. Statement II: Law of conservation of mass is followed.

Statement I is true; Statement II is true Statement II is not the correct explanation of Statement I

Statement I is true; Statement II is false

Statement I is false; Statement II is true

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JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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Statement I: When

10 \mathrm{~g}

\mathrm{CaCO}_3

is decomposed

5.6 \mathrm{~g}

\mathrm{CaO}

and

4.4 \mathrm{~g}

\mathrm{CO}_2

are formed.

Statement II: Law of conservation of mass is followed.

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Correct option: A

Statement I is true; Statement II is true; Statement II is the correct explanation of Statement I

Option A is correct because the decomposition of CaCO3 follows the law of conservation of mass, where the total mass of reactants equals the total mass of products.

JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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