Statement $I$: Silica gel and alumina are used as adsorbents for adsorption chromatography.
Statement $II$: Paper chromatography is a type of partition chromatography.
In the light of the above statements,select the correct option.

  • A
    Statement $I$ is true but statement $II$ is false
  • B
    Statement $I$ is false but statement $II$ is true
  • C
    Both statements $I$ and $II$ are true
  • D
    Both statements $I$ and $II$ are false

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What is the role of activated charcoal in gas masks used in coal mines?

The plot of $\log(\frac{x}{m})$ against $\log P$ is a straight line inclined at an angle of $45^{\circ}$. When the pressure is $0.5 \ atm$ and the Freundlich parameter $(K)$ is $10$,the amount of solute adsorbed per gram of adsorbent will be $(\log 5 = 0.699)$ .......... $g$.

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