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1
JEE Main 2023 (Online) 11th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List-I with List-II:

List - I List - II
A. K I. Thermonuclear reactions
B. KCl II. Fertilizer
C. KOH III. Sodium potassium pump
D. Li IV. Absorbent of CO$$_2$$

Choose the correct answer from the options given below :

A
A-IV, B-III, C-I, D-II
B
A-III, B-II, C-IV, D-I
C
A-III, B-IV, C-II, D-I
D
A-IV, B-I, C-III, D-II
2
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The correct order of metallic character is :

A
K > Be > Ca
B
Ca > K > Be
C
K > Ca > Be
D
Be > Ca > K
3
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Number of water molecules in washing soda and soda ash respectively are :

A
1 and 0
B
10 and 1
C
1 and 10
D
10 and 0
4
JEE Main 2023 (Online) 10th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Lime reacts exothermally with water to give 'A' which has low solubility in water. Aqueous solution of 'A' is often used for the test of CO$$_2$$, a test in which insoluble B is formed. If B is further reacted with CO$$_2$$ then soluble compound is formed, 'A' is :

A
Quick lime
B
White lime
C
Lime water
D
Slaked lime
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