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. Reverberatory furnace I. Pig Iron
B. Electrolytic cell II. Aluminium
C. Blast furnace III. Silicon
D. Zone Refining furnace IV. Copper

Choose the correct answer from the options given below :

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

In the following given reaction, 'A' is

JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Hydrocarbons Question 22 English

A
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Hydrocarbons Question 22 English Option 1
B
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Hydrocarbons Question 22 English Option 2
C
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Hydrocarbons Question 22 English Option 3
D
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Hydrocarbons Question 22 English Option 4
3
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

'R' formed in the following sequence of reactions is :

JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English

A
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 1
B
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 2
C
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 3
D
JEE Main 2023 (Online) 24th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 4
4
JEE Main 2023 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Reaction of BeO with ammonia and hydrogen fluoride gives A which on thermal decomposition gives $$\mathrm{BeF_2}$$ and $$\mathrm{NH_4F}$$. What is 'A'?

A
$$\mathrm{(NH_4)Be_2F_5}$$
B
$$\mathrm{(NH_4)_2BeF_4}$$
C
$$\mathrm{(NH_4)BeF_3}$$
D
$$\mathrm{H_3NBeF_3}$$
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