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1
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
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-1
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Which one of the following statements is FALSE for hydrophilic sols?
A
They do not require electrolytes for stability.
B
The sols cannot be easily coagulated.
C
These sols are reversible in nature.
D
Their viscosity is of the order of that of H2O.
2
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
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In Freundlich adsorption isotherm at moderate pressure, the extent of adsorption $$\left( {{x \over m}} \right)$$ is directly proportional to Px. The value of x is :
A
$$\infty $$
B
zero
C
1
D
$${{1 \over n}}$$
3
JEE Main 2021 (Online) 24th February Evening Shift
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Most suitable salt which can be used for efficient clotting of blood will be :
A
Mg(HCO3)2
B
NaHCO3
C
FeCl3
D
FeSO4
4
JEE Main 2021 (Online) 24th February Morning Shift
MCQ (Single Correct Answer)
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-1
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In Freundlich adsorption isotherm, slope of AB line is :

JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Surface Chemistry Question 66 English
A
$${1 \over n}$$ with $$\left( {{1 \over n} = 0\,to\,1} \right)$$
B
n with (n, 0.1 to 0.5)
C
$$\log {1 \over n}$$ with $$\left( {n < 1} \right)$$
D
log n with (n > 1)
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