1
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

' $X$ ' is a protecting colloid. The following data is obtained for preventing the coagulation of 10 mL of gold sol to which 1 mL of $10 \% \mathrm{NaCl}$ is added. What is the gold number of ' $X$ '?

$$ \begin{array}{ccl} \hline \text { Expt No. } & \begin{array}{c} \text { Weight of } X \text { (in mg) } \\ \text { added to gold sol } \end{array} & \text { Coagulation } \\ \hline 1 & 24 & \text { Not prevented } \\ \hline 2 & 23 & \text { Not prevented } \\ \hline 3 & 26 & \text { Prevented } \\ \hline 4 & 27 & \text { Prevented } \\ \hline 5 & 25 & \text { Prevented } \\ \hline \end{array} $$

A
24
B
26
C
27
D
25
2
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which sol is used as intramuscular injection?
A
Antimony sol
B
Silver sol
C
Emulsion of milk of magnesia
D
Gold sol
3
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following has maximum coagulating power in the coagulation of positively charged sol?
A
$\mathrm{Cl}^{-}$
B
$\mathrm{SO}_4^{2-}$
C
$\mathrm{PO}_4^{3-}$
D
$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}$
4
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Given below are two statements.

Statements I Easily liqueflable gases are readily adsorbed.

Statements II Adsorption enthalpy for physisorption is less compared to adsorption enthalpy for chemisorption.

The correct answer is

A
Both Statement I and Statement Il are correct.
B
Both Statement I and Stastement II are not correct.
C
Statement I is correct but Statement Il is not correct,
D
Statement I is not correct but Statement II is correct.
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