MCQ
Colloidal sols are more effective for medical purposes because:
  • A
    They have smaller surface area.
  • They have larger surface area.
  • C
    Their assimilation is difficult.
  • D
    They can be easily prepared.

Answer

Correct option: B.
They have larger surface area.
Colloidal sols have larger surface area which provides larger sites for reactions.So,they are more effective for medical purposes.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A compound that easily undergoes bromination is
Diffusion of solvent through a semi permeable membrane is called
$\underbrace {\mathop {Hg{I_2}\,}\limits_{'X'} \xrightarrow[{Sublimation}]{\Delta }\,\mathop {Hg{I_2}}\limits_{'Y'} \xrightarrow{{Cooling}}\mathop {Hg{I_2}}\limits_{'Z'} }_{On\,\,rubbing}$
Potassium chlorate is prepared by the electrolysis of $KCl$ in basic solution

$6 OH ^{-}+ Cl ^{-} \rightarrow ClO _{3}^{-}+3 H _{2} O +6 e ^{-}$

If only $60 \%$ of the current is utilized in the reaction, the time (rounded to the nearest hour) required to produce $10\, g$ of $KCIO _{3}$ using a current of $2\, A$ is..........

(Given : $F =96,500\, C\, mol ^{-1}$ molar mass of $\left. KClO _{3}=122\,gmol ^{-1}\right)$

$N_2O(g) \to N_2(g) + \frac{1}{2}O_2(g)$

In a closed vessel follows first order kinetics. If starting with pure $N_2O(g)$ total pressure after time $'t'$ is $P_t$ and after a very long time is $P_\infty$ then which of the following expressions is correct 

Aromatic amines are generally:
For the octahedral complexes of $Fe ^{3+}$ in $SCN$ (thiocyanato- $S$ ) and in $CN$ ligand environments, the difference between the spin-only magnetic moments in Bohr magnetons (When approximated to the nearest integer) is

[Atomic number of $Fe =26$ ]

In the following sequence of reactions, the compound $D$ is

$C{H_3}C{H_2}OH\xrightarrow{{P + {I_2}}}A\xrightarrow[{ether}]{{Mg}} $ $B\xrightarrow{{HCHO}}C\xrightarrow{{{H_2}O}}D$

In which of the following compounds, the transition metal is in oxidation state of zero ?
The catalyst used in Raschig's process is