1
JEE Main 2021 (Online) 26th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Match List - I with List - II.

List - I List - II
(a) Siderite (i) Cu
(b) Calamine (ii) Ca
(c) Malachite (iii) Fe
(d) Cryolite (iv) Al
(v) Zn


Choose the correct answer from the options given below :
A
(a) $$ \to $$ (i), (b) $$ \to $$ (ii), (c) $$ \to $$ (iii), (d) $$ \to $$ (iv)
B
(a) $$ \to $$ (iii), (b) $$ \to $$ (i), (c) $$ \to $$ (v), (d) $$ \to $$ (ii)
C
(a) $$ \to $$ (i), (b) $$ \to $$ (ii), (c) $$ \to $$ (v), (d) $$ \to $$ (iii)
D
(a) $$ \to $$ (iii), (b) $$ \to $$ (v), (c) $$ \to $$ (i), (d) $$ \to $$ (iv)
2
JEE Main 2021 (Online) 26th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of electron gain enthalpy is :
A
Te > Se > S > O
B
S > Se > Te > O
C
S > O > Se > Te
D
O > S > Se > Te
3
JEE Main 2021 (Online) 26th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The nature of charge on resulting colloidal particles when FeCl3 is added to excess of hot water is :
A
neutral
B
sometimes positive and sometimes negative
C
positive
D
negative
4
JEE Main 2021 (Online) 26th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Match List - I with List - II.

List - I List - II
(a) Sucrose (i) $$\beta $$-D-Galactose and $$\beta $$-D-Glucose
(b) Lactose (ii) $$\alpha $$-D-Glucose and $$\beta $$-D-Fructose
(c) Maltose (iii) $$\alpha $$-D-Glucose and $$\alpha $$-D-Glucose

Choose the correct answer from the options given below :
A
(a) $$ \to $$ (iii), (b) $$ \to $$ (ii), (c) $$ \to $$ (i)
B
(a) $$ \to $$ (i), (b) $$ \to $$ (iii), (c) $$ \to $$ (ii)
C
(a) $$ \to $$ (ii), (b) $$ \to $$ (i), (c) $$ \to $$ (iii)
D
(a) $$ \to $$ (iii), (b) $$ \to $$ (i), (c) $$ \to $$ (ii)
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