Question

Assertion (A) :

\mathrm{SO}_2

from oxidation of sulphur or

\mathrm{H}_2 \mathrm{~S}

contains sulphur and oxygen in the mass ratio of

1: 2

.

Reason (R) : Different samples of a pure chemical substance always contain the same proportions of elements by mass.

Accepted Answer

$\mathbf{A}$ is false but $\mathbf{R}$ is true.

Answer

Both $\mathbf{A}$ and $\mathbf{R}$ are true and $\mathbf{R}$ is the correct explanation of $\mathbf{A}$.

Answer

Both $\mathbf{A}$ and $\mathbf{R}$ are true but $\mathbf{R}$ is not the correct explanation of $\mathbf{A}$.

Answer

$\mathbf{A}$ is true but $\mathbf{R}$ is false.

NEET UG CHEMISTRY MCQ: P-BLOCK ELEMENTS

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