1
JEE Main 2022 (Online) 28th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List - I with List - II :

List-I (Oxide) List-II (Nature)
(A) $$C{l_2}{O_7}$$ (I) Amphoteric
(B) $$N{a_2}O$$ (II) Basic
(C) $$A{l_2}{O_3}$$ (III) Neutral
(D) $${N_2}O$$ (IV) Acidic

Choose the correct answer from the options given below :

A
(A) - (IV), (B) - (III), (C) - (I), (D) - (II)
B
(A) - (IV), (B) - (II), (C) - (I), (D) - (III)
C
(A) - (II), (B) - (IV), (C) - (III), (D) - (I)
D
(A) - (I), (B) - (II), (C) - (III), (D) - (IV)
2
JEE Main 2022 (Online) 28th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

In the metallurgical extraction of copper, following reaction is used :

FeO + SiO2 $$\to$$ FeSiO3

FeO and FeSiO3 respectively are.

A
gangue and flux.
B
flux and slag.
C
slag and flux.
D
gangue and slag.
3
JEE Main 2022 (Online) 28th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Hydrogen has three isotopes : protium (1H), deuterium (2H or D) and tritium (3H or T). They have nearly same chemical properties but different physical properties. They differ in :

A
number of protons.
B
atomic number.
C
electronic configuration.
D
atomic mass.
4
JEE Main 2022 (Online) 28th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Among the following, basic oxide is :

A
SO3
B
SiO2
C
CaO
D
Al2O3
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