1
JEE Main 2022 (Online) 25th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List I with List II

List - I List -II
A. Zymase I. Stomach
B. Diastase II. Yeast
C. Urease III. Malt
D. Pepsin IV. Soyabean

Choose the correct answer from the options given below :

A
A-II, B-III, C-I, D-IV
B
A-II, B-III, C-IV, D-I
C
A-III, B-II, C-IV, D-I
D
A-III, B-II, C-I, D-IV
2
JEE Main 2022 (Online) 25th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct order of electron gain enthalpies of Cl, F, Te and Po is

A
F < Cl < Te < Po
B
Po < Te < F < Cl
C
Te < Po < Cl < F
D
Cl < F < Te < Po
3
JEE Main 2022 (Online) 25th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Given below are two statements.

Statement I : During electrolytic refining, blister copper deposits precious metals.

Statement II : In the process of obtaining pure copper by electrolysis method, copper blister is used to make the anode.

In the light of the above statements, choose the correct from the options given below.

A
Both Statement I and Statement II are true.
B
Both Statement I and Statement II are false.
C
Statement I is true but Statement II is false.
D
Statement I is false but Statement II is true.
4
JEE Main 2022 (Online) 25th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements one is labelled as Assertion A and the other is labelled as Reason R :

Assertion A : The amphoteric nature of water is explained by using Lewis acid/base concept.

Reason R : Water acts as an acid with NH3 and as a base with H2S.

In the light of the above statements choose the correct answer from the options given below :

A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is NOT the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.
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