Question 1

Which of the following is an ore of niobium?

Ilmenite
Columbite
Tantalite
Pentlandite
Wolframite

Answer

Correct Option: B

Question 2

Which of the following is/are ore(s) of aluminium?

Baryte
Bauxite
Beryl

Only 1
Only 2
Only 3
Only 1 and 2
Only 2 and 3

Answer

Correct Option: B

Question 3

Which of the following is a set of only carbonate ores?

Cassiterite, chromite and hematite
Chalcopyrite, argentite and bornite
Dolomite, magnesite and malachite
Chromite, argentite and magnesite
Hematite, bornite and malachite

Answer

Correct Option: C

Question 4

Which of the following mineral forms of titanium dioxide is/are orthorhombic?

Anatase
Brookite
Rutile

Only 1
Only 2
Only 3
Only 1 and 2
Only 1 and 3

Answer

Correct Option: B

Question 5

Which of the following is a pair of lead ores?

Cassiterite and galena
Cerussite and cassiterite
Cinnabar and galena
Cerussite and galena
Cerussite and cinnabar

Answer

Correct Option: D

Question 6

Which of the following is a strontium ore?

Autunite
Sphalerite
Celestine
Cassiterite
Realgar

Answer

Correct Option: C

Question 7

K₂(UO₂)₂(VO₄)₂.3H₂O is the chemical formula of which of the following?

Carnallite
Carnotite
Carobbiite
Cancrinite
Calcite

Answer

Correct Option: B

Question 8

Which of the following pairs of 'copper mineral : chemical formula' is incorrect?

Azurite : Cu₂CO₃(OH)₂
Peacock ore : Cu₅FeS₄
Chalcopyrite : CuFeS₂
Turquoise : CuAl₆(PO₄)₄(OH)₈.5H₂O
Dioptase : CuSiO₂(OH)₂

Answer

Correct Option: A

Question 9

Which of the following is not a carbonate mineral?

Otavite
Witherite
Ankerite
Covellite
Rosasite

Answer

Correct Option: D

Question 10

Match the metals in column I with their respective ores in column II.


Column I	Column II
P. Iron	1. Sphalerite
Q. Tungsten	2. Scheelite
R. Zinc	3. Hematite
S. Manganese	4. Pyrolusite

P - 1, Q - 2, R - 3, S - 4
P - 1, Q - 3, R - 2, S - 4
P - 2, Q - 1, R - 4, S - 3
P - 3, Q - 2, R - 1, S - 4
P - 3, Q - 4, R - 1, S - 2

Answer

Correct Option: D

Question 11

Match the elements in group I with their respective ores in group II.


Group I	Group II
P. Titanium	1. Kunzite
Q. Antimony	2. Orpiment
R. Arsenic	3. Sphene
S. Lithium	4. Stibnite

P - 1, Q - 3, R - 4, S - 2
P - 2, Q - 4, R - 1, S - 3
P - 3, Q - 1, R - 2, S - 4
P - 3, Q - 4, R - 2, S - 1
P - 4, Q - 3, R - 2, S - 1

Answer

Correct Option: D

Question 12

Which of the following is a pair of silicate ores?

Admontite and alunite
Cattierite and cassiterite
Spodumene and kaolinite
Siderite and magnesite
Gypsum and baryte

Answer

Correct Option: C

Question 13

Match the metals in group I with their ores in group II.


Group I	Group II
P. Ca	1. Calaverite
Q. Co	2. Aragonite
R. Au	3. Scheelite
S. W	4. Linnaeite

P - 1, Q - 2, R - 3, S - 4
P - 2, Q - 4, R - 1, S - 3
P - 2, Q - 3, R - 4, S - 1
P - 2, Q - 1, R - 4, S - 3
P - 4, Q - 2, R - 3, S - 1

Answer

Correct Option: B

Question 14

Match iron ores in column I with their respective chemical formulae in column II.


Column I	Column II
P. Hematite	1. Fe₃O₄
Q. Ilmenite	2. FeCO₃
R. Magnetite	3. Fe₂O₃
S. Siderite	4. FeTiO₃

P - 1, Q - 2, R - 3, S - 4
P - 1, Q - 3, R - 2, S - 4
P - 2, Q - 4, R - 1, S - 3
P - 3, Q - 4, R - 1, S - 2
P - 3, Q - 1, R - 4, S - 2

Answer

Correct Option: D

Question 15

Match the copper minerals in column I with their respective chemical formulae in column II.


Column I	Column II
P. Covellite	1. Cu₁₂As₄S₁₃
Q. Chalcocite	2. (Cu,Fe)₁₂Sb₄S₁₃
R. Tennantite	3. CuS
S. Tetrahedrite	4. Cu₂S

P - 1, Q - 4, R - 3, S - 2
P - 2, Q - 3, R - 1, S - 4
P - 2, Q - 1, R - 4, S - 3
P - 3, Q - 4, R - 1, S - 2
P - 4, Q - 3, R - 1, S - 2

Answer

Correct Option: D

Description: Chemistry
Number of Questions: 15
Created by: Gauri Chanda
Tags: Minerals and Ores General Principles of Isolation of Elements Chemistry

Minerals and Ores (Engineering Entrance)

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