1
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The correct option among the following is :
A
Addition of alum to water makes it unfit for drinking.
B
Colloidal medicines are more effective because they have small surface area.
C
Colloidal paraticles in lyophobic sols can be precipitated by electrophoresis.
D
Brownian motion in colloidal solution is faster if the viscosity of the solution is very high.
2
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Number of stereo centers present in linear and cyclic structures of glucose are respectively :
A
4 & 4
B
4 & 5
C
5 & 4
D
5 & 5
3
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The highest possible oxidation states of uranium and plutonium, respectively are :
A
4 and 6
B
6 and 4
C
7 and 6
D
6 and 7
4
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Points I, II and III in the following plot respectively correspond to
(Vmp : most probable velocity) JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Gaseous State Question 40 English
A
Vmp of O2 (400 K); Vmp of N2 (300 K); Vmp of H2 (300 K)
B
Vmp of N2 (300 K); Vmp of H2 (300 K); Vmp of O2 (400 K)
C
Vmp of H2 (300 K); Vmp of N2 (300 K); Vmp of O2 (400 K)
D
Vmp of N2 (300 K); Vmp of O2 (400 K); Vmp of H2 (300 K)
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