This chapter is currently out of syllabus
1
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
A sample of red ink (a colloidal suspension) is prepared by mixing eosin dye, egg white, HCHO and water. The component which ensures stability of the ink sample is :
A
HCHO
B
Water
C
Eosin dye
D
Egg white
2
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Match the following :

(i) Foam (a) smoke
(ii) Gel (b) cell fluid
(iii) Aerosol (c) jellies
(iv) Emulsion (d) rubber
(e) froth
(f) Milk
A
(i)-(e), (ii)-(c), (iii)-(a), (iv)-(f)
B
(i)-(d), (ii)-(b), (iii)-(a), (iv)-(e)
C
(i)-(d), (ii)-(b), (iii)-(e), (iv)-(f)
D
(i)-(b), (ii)-(c), (iii)-(e), (iv)-(d)
3
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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An ionic micelle is formed on the addition of :
A
excess water to liquid JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Surface Chemistry Question 72 English Option 1
B
excess water to liquid JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Surface Chemistry Question 72 English Option 2
C
liquid diethyl ether to aqueous NaCl solution
D
sodium stearate to pure toluene
4
JEE Main 2020 (Online) 3rd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Tyndall effect is observed when:
A
The diameter of dispersed particles is similar to the wavelenght of light used.
B
The diameter of dispersed particles is much smaller than the wavelength of light used.
C
The diameter of dispersed particles is much larger than the wavelength of light used.
D
The refractive index of dispersed phase is greater than that of the dispersion medium.
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