1
JEE Main 2021 (Online) 17th March Morning Shift
+4
-1
The point of intersection and sudden increase in the slope, in the diagram given below, respectively, indicates :

A
$$\Delta$$G > 0 and decomposition of the metal oxide
B
$$\Delta$$G < 0 and decomposition of the metal oxide
C
$$\Delta$$G = 0 and reduction of the metal oxide
D
$$\Delta$$G = 0 and melting or boiling point of the metal oxide
2
JEE Main 2021 (Online) 16th March Evening Shift
+4
-1
Which of the following reduction reaction CANNOT be carried out with coke?
A
ZnO $$\to$$ Zn
B
Fe2O3 $$\to$$ Fe
C
Cu2O $$\to$$ Cu
D
Al2O3 $$\to$$ Al
3
JEE Main 2021 (Online) 16th March Morning Shift
+4
-1
The process that involves the removal of sulphur from the ores is :
A
Roasting
B
Smelting
C
Leaching
D
Refining
4
JEE Main 2021 (Online) 26th February Evening Shift
+4
-1
Match List - I with List - II.

List - I List - II
(a) Sodium Carbonate (i) Deacon
(b) Titanium (ii) Castner-Kellner
(c) Chlorine (iii) van-Arkel
(d) Sodium hydroxide (iv) Solvay

Choose the correct answer from the options given below :
A
(a) $$\to$$ (iv), (b) $$\to$$ (iii), (c) $$\to$$ (i), (d) $$\to$$ (ii)
B
(a) $$\to$$ (iv), (b) $$\to$$ (i), (c) $$\to$$ (ii), (d) $$\to$$ (iii)
C
(a) $$\to$$ (iii), (b) $$\to$$ (ii), (c) $$\to$$ (i), (d) $$\to$$ (iv)
D
(a) $$\to$$ (i), (b) $$\to$$ (iii), (c) $$\to$$ (iv), (d) $$\to$$ (ii)
JEE Main Subjects
Physics
Mechanics
Electricity
Optics
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Coordinate Geometry
Calculus
EXAM MAP
Joint Entrance Examination