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Minerals and Ores (Engineering Entrance)

Chemistry

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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is an ore of niobium?

  1. Ilmenite
  2. Columbite
  3. Tantalite
  4. Pentlandite
  5. Wolframite
Question 2 Multiple Choice (Single Answer)

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

  1. Baryte
  2. Bauxite
  3. Beryl
  1. Only 1
  2. Only 2
  3. Only 3
  4. Only 1 and 2
  5. Only 2 and 3
Question 3 Multiple Choice (Single Answer)

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

  1. Cassiterite, chromite and hematite
  2. Chalcopyrite, argentite and bornite
  3. Dolomite, magnesite and malachite
  4. Chromite, argentite and magnesite
  5. Hematite, bornite and malachite
Question 4 Multiple Choice (Single Answer)

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

  1. Anatase
  2. Brookite
  3. Rutile
  1. Only 1
  2. Only 2
  3. Only 3
  4. Only 1 and 2
  5. Only 1 and 3
Question 5 Multiple Choice (Single Answer)

Which of the following is a pair of lead ores?

  1. Cassiterite and galena
  2. Cerussite and cassiterite
  3. Cinnabar and galena
  4. Cerussite and galena
  5. Cerussite and cinnabar
Question 6 Multiple Choice (Single Answer)

Which of the following is a strontium ore?

  1. Autunite
  2. Sphalerite
  3. Celestine
  4. Cassiterite
  5. Realgar
Question 7 Multiple Choice (Single Answer)

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

  1. Carnallite
  2. Carnotite
  3. Carobbiite
  4. Cancrinite
  5. Calcite
Question 8 Multiple Choice (Single Answer)

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

  1. Azurite : Cu2CO3(OH)2
  2. Peacock ore : Cu5FeS4
  3. Chalcopyrite : CuFeS2
  4. Turquoise : CuAl6(PO4)4(OH)8.5H2O
  5. Dioptase : CuSiO2(OH)2
Question 9 Multiple Choice (Single Answer)

Which of the following is not a carbonate mineral?

  1. Otavite
  2. Witherite
  3. Ankerite
  4. Covellite
  5. Rosasite
Question 10 Multiple Choice (Single Answer)

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
  1. P - 1, Q - 2, R - 3, S - 4
  2. P - 1, Q - 3, R - 2, S - 4
  3. P - 2, Q - 1, R - 4, S - 3
  4. P - 3, Q - 2, R - 1, S - 4
  5. P - 3, Q - 4, R - 1, S - 2
Question 11 Multiple Choice (Single Answer)

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
  1. P - 1, Q - 3, R - 4, S - 2
  2. P - 2, Q - 4, R - 1, S - 3
  3. P - 3, Q - 1, R - 2, S - 4
  4. P - 3, Q - 4, R - 2, S - 1
  5. P - 4, Q - 3, R - 2, S - 1
Question 12 Multiple Choice (Single Answer)

Which of the following is a pair of silicate ores?

  1. Admontite and alunite
  2. Cattierite and cassiterite
  3. Spodumene and kaolinite
  4. Siderite and magnesite
  5. Gypsum and baryte
Question 13 Multiple Choice (Single Answer)

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
  1. P - 1, Q - 2, R - 3, S - 4
  2. P - 2, Q - 4, R - 1, S - 3
  3. P - 2, Q - 3, R - 4, S - 1
  4. P - 2, Q - 1, R - 4, S - 3
  5. P - 4, Q - 2, R - 3, S - 1
Question 14 Multiple Choice (Single Answer)

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
  1. P - 1, Q - 2, R - 3, S - 4
  2. P - 1, Q - 3, R - 2, S - 4
  3. P - 2, Q - 4, R - 1, S - 3
  4. P - 3, Q - 4, R - 1, S - 2
  5. P - 3, Q - 1, R - 4, S - 2
Question 15 Multiple Choice (Single Answer)

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