1
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Match the refining methods (Column I) with metals (Column II).
Column I
(Refining Methods)
Column II
(Metals)
(I) Liquation (a) Zr
(II) Zone Refining (b) Ni
(III) Mond Process (c) Sn
(IV) Van Arkel Method (d) Ga
A
(I)-(c) ; (II)-(a) ; (III)-(b) ; (IV)-(d)
B
(I)-(c) ; (II)-(d) ; (III)-(b) ; (IV)-(a)
C
(I)-(b) ; (II)-(d) ; (III)-(a) ; (IV)-(c)
D
(I)-(b) ; (II)-(c) ; (III)-(d) ; (IV)-(a)
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The synonym for water gas when used in the production of methanol is :
A
fuel gas
B
laughing gas
C
syn gas
D
natural gas
3
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
During the change of O2 to O2- , the incoming electron goes to the orbital :
A
$$\pi 2{p_y}$$
B
$${\sigma ^*}2{p_z}$$
C
$${\pi ^*}2{p_x}$$
D
$$\pi 2{p_x}$$
4
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is : JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Haloalkanes and Haloarenes Question 100 English
A
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Haloalkanes and Haloarenes Question 100 English Option 1
B
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Haloalkanes and Haloarenes Question 100 English Option 2
C
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Haloalkanes and Haloarenes Question 100 English Option 3
D
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Haloalkanes and Haloarenes Question 100 English Option 4
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