1
JEE Main 2022 (Online) 29th June Morning Shift
MCQ (Single Correct Answer) +4 -1
English
Hindi
Arrange the following in the decreasing order of their covalent character :
(A) LiCl
(B) NaCl
(C) KCl
(D) CsCl
Choose the most appropriate answer from the options given below :
2
JEE Main 2022 (Online) 29th June Morning Shift
MCQ (Single Correct Answer) +4 -1
English
Hindi
Match List-I with List-II
List-I (Metal) |
List-II (Emitted light wavelength (nm)) |
||
---|---|---|---|
(A) | Li | (I) | 670.8 |
(B) | Na | (II) | 589.2 |
(C) | Rb | (III) | 780.0 |
(D) | Cs | (IV) | 455.5 |
Choose the most appropriate answer from the options given below :
3
JEE Main 2022 (Online) 29th June Morning Shift
MCQ (Single Correct Answer) +4 -1
English
Hindi
Match List-I with List-II.
List-I (Metal) |
List-II (Application) |
||
---|---|---|---|
(A) | Cs | (I) | High temperature thermometer |
(B) | Ga | (II) | Water repellent sprays |
(C) | B | (III) | Photoelectric cells |
(D) | Si | (IV) | Bullet proof vest |
Choose the most appropriate answer from the options given below :
4
JEE Main 2022 (Online) 27th June Morning Shift
MCQ (Single Correct Answer) +4 -1
English
Hindi
Addition of H2SO4 to BaO2 produces :
Questions Asked from s-Block Elements (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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