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

Match List I with List II

List-I
List-II
A. Chlorophyll I. $$\mathrm{Na_2CO_3}$$
B. Soda ash II. $$\mathrm{CaSO_4}$$
C. Dentistry, Ornamental work III. $$\mathrm{Mg^{2+}}$$
D. Used in white washing IV. $$\mathrm{Ca(OH)_2}$$

Choose the correct answer from the options given below :

A
A-III, B-I, C-II, D-IV
B
A-II, B-III, C-IV, D-I
C
A-II, B-I, C-III, D-IV
D
A-III, B-IV, C-I, D-II
2
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The primary and secondary valencies of cobalt respectively in $$\mathrm{[Co(NH_3)_5Cl]Cl_2}$$ are :

A
2 and 8
B
2 and 6
C
3 and 5
D
3 and 6
3
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

'A' and 'B' formed in the following set of reactions are :

JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 39 English

A
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 39 English Option 1
B
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 39 English Option 2
C
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 39 English Option 3
D
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 39 English Option 4
4
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Decreasing order of the hydrogen bonding in following forms of water is correctly represented by

A. Liquid water

B. Ice

C. Impure water

Choose the correct answer from the options given below :

A
A = B > C
B
B > A > C
C
A > B > C
D
C > B > A
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