WB JEE 2024 | Surface Chemistry Question 1 | Chemistry

WB JEE 2024

MCQ (Single Correct Answer)

-0.25

Identify the incorrect statement among the following :

Viscosity of liquid always decreases with increase in temperature.

Surface tension of liquid always decreases with increase in temperature.

Viscosity of liquid always increases in presence of impurity.

Surface tension of liquid always increases in presence of impurity.

WB JEE 2020

MCQ (Single Correct Answer)

-0.25

Among the following, the ion which will be more effective for flocculation of Fe(OH)₃ solution is :

$$PO_4^{3 - }$$

$$SO_4^{2 - }$$

$$SO_3^{2 - }$$

$$NO_3^{ - }$$

WB JEE 2016

MCQ (Single Correct Answer)

-0.25

Point out the false statement.

Colloidal sols are homogeneous

Colloids carry +ve or $$-$$ve charges

Colloids show Tyndall effect

The size range of colloidal particles is 10-1000 $$\mathop A\limits^o $$

WB JEE Subjects