This chapter is currently out of syllabus
1
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
2
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.
3
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The ore that contains the metal in the form of fluoride is :
A
sphalerite
B
magnetite
C
malachite
D
cryolite
4
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The Mond process is used for the
A
Extraction of Zn
B
extraction of Mo
C
Purification of Zr and Ti
D
Purification of Ni
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12