1
JEE Main 2023 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Correct statement is :

A
An average human being consumes more food than air
B
An average human being consumes 100 times more air than food
C
An average human being consumes nearly 15 times more air than food
D
An average human being consumes equal amount of food and air
2
JEE Main 2023 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Identify the correct statements about alkali metals.

A. The order of standard reduction potential (M$$^+$$ | M) for alkali metal ions is Na > Rb > Li.

B. CsI is highly soluble in water.

C. Lithium carbonate is highly stable to heat.

D. Potassium dissolved in concentrated liquid ammonia is blue in colour and paramagnetic.

E. All the alkali metal hydrides are ionic solids.

Choose the correct answer from the options given below :

A
C and E only
B
A and E only
C
A, B, D only
D
A, B and E only
3
JEE Main 2023 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List I with List II

List-I
Type
List-II
Name
A. Antifertility drug i) Norethindrone
B. Tranquilizer ii) Meprobomate
C. Antihistamine iii) Seldane
D. Antibiotic iv) Ampicillin

Choose the correct answer from the options given below :

A
A-I, B-III, C-II, D-IV
B
A-I, B-II, C-III, D-IV
C
A-II, B-I, C-III, D-IV
D
A-IV, B-III, C-II, D-I
4
JEE Main 2023 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement I : Pure Aniline and other arylamines are usually colourless.

Statement II : Arylamines get coloured on storage due to atmospheric reduction.

In the light of the above statements, choose the most appropriate answer from the options given below :

A
Both Statement I and Statement II are correct
B
Statement I is correct but Statement II is incorrect
C
Both Statement I and Statement II are incorrect
D
Statement I is incorrect but Statement I is correct
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