1
JEE Main 2023 (Online) 6th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List I with List II

LIST I
Vitamin
LIST II
Deficiency disease
A. Vitamin A I. Beri-Beri
B. Thiamine II. Cheilosis
C. Ascorbic acid III. Xeropthalmia
D. Riboflavin IV. Scurvy

Choose the correct answer from the options given below:

A
A-III, B-I, C-IV, D-II
B
A-IV, B-I, C-III, D-II
C
A-IV, B-II, C-III, D-I
D
A-III, B-II, C-IV, D-I
2
JEE Main 2023 (Online) 6th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The standard electrode potential of $$\mathrm{M}^{+} / \mathrm{M}$$ in aqueous solution does not depend on

A
Ionisation of a gaseous metal atom
B
Sublimation of a solid metal
C
Ionisation of a solid metal atom
D
Hydration of a gaseous metal ion
3
JEE Main 2023 (Online) 6th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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The setting time of Cement is increased by adding :

A
Gypsum
B
Limestone
C
Clay
D
Silica
4
JEE Main 2023 (Online) 6th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

For the reaction

JEE Main 2023 (Online) 6th April Morning Shift Chemistry - Haloalkanes and Haloarenes Question 23 English

The correct statement is

A
The solvent used in the reaction solvates the ions formed in rate determining step.
B
Br$$^-$$ can act as competing nucleophile.
C
The reaction can occur in acetic acid also.
D
The transition state formed in the above reaction is less polar than the localised anion.
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