This chapter is currently out of syllabus
1
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The correct statement is :
A
zincite is a carbonate ore.
B
Sodium cyanide cannot be used in the metallurgy of silver.
C
aniline is a froth stabilizer.
D
zone refining process is used for the refining of titanium.
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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)
3
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The one that is not a carbonate ore is :
A
siderite
B
bauxite
C
malachite
D
calamine
4
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Assertion: For the extraction of iron, haematite ore is used.

Reason: Haematite is a carbonate ore of iron.
A
Both the assertion and reason are correct and the reason is the correct explanation for the assertion.
B
Only the reason is correct.
C
Both the assertion and reason are correct, but the reason is not the correct explanation for the assertion.
D
Only the assertion is correct.
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12