1
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Among the following the false statement is -
A
Lyophilic sol can be coagulated by adding an electrote
B
Tyndall effect can be used to distinguish between a colloidal solution and a true solution
C
It is possible to cause artificial rain by throwing electrified sand carrying charge opposite to the one on clouds from an aeroplane
D
Latex is a colloidal solution of rubber particles which are positively charged
2
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is –

JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 171 English
A
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 171 English Option 1
B
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 171 English Option 2
C
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 171 English Option 3
D
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 171 English Option 4
3
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct statement (s) among I to III with respect to potassium ions that are abundant within the cell fluid is /are
I. They activate many enzymes
II. They participate in the oxidation of glucose to produce ATP
III. Along with sodium ions they are responsible for the transmission of nerve signals
A
III only
B
I and II only
C
I and III only
D
I, II and III only
4
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is –

JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Hydrocarbons Question 98 English
A
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Hydrocarbons Question 98 English Option 1
B
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Hydrocarbons Question 98 English Option 2
C
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Hydrocarbons Question 98 English Option 3
D
JEE Main 2019 (Online) 12th January Evening Slot Chemistry - Hydrocarbons Question 98 English Option 4
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