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MCQs

Total Questions : 115 | Page 8 of 12 pages
Question 71. Pick the correct statement about talc.
  1.    It has very high hardness
  2.    It is not used in the manufacture of talcum powders
  3.    It is has lowest hardness
  4.    It is found in igneous rocks
 Discuss Question
Answer: Option C. -> It is has lowest hardness
Answer: (c).It is has lowest hardness
Question 72. The semi-precious gemstone not belonging to corundum is _______________
  1.    Ruby
  2.    Sapphire
  3.    Diamond
  4.    Oriental emerald
 Discuss Question
Answer: Option C. -> Diamond
Answer: (c).Diamond
Question 73. Pick the wrong statement about talc.
  1.    It is a very soft mineral
  2.    It is used in talcum powders
  3.    It is usually white or green in colour
  4.    It is also used as precious gemstones
 Discuss Question
Answer: Option D. -> It is also used as precious gemstones
Answer: (d).It is also used as precious gemstones
Question 74. What is the diaphaneity of pure gypsum?
  1.    Opaque
  2.    Transparent
  3.    Translucent
  4.    Opaque or transparent
 Discuss Question
Answer: Option C. -> Translucent
Answer: (c).Translucent
Question 75. The ferro-magnesium mineral which occurs in ultra-basic igneous rocks is __________
  1.    Magnesite
  2.    Olivine
  3.    Baryte
  4.    Corundum
 Discuss Question
Answer: Option B. -> Olivine
Answer: (b).Olivine
Question 76. Augite mainly consists of __________
  1.    Fe
  2.    Fe and Mn
  3.    Fe and Ca
  4.    Fe and Mg
 Discuss Question
Answer: Option D. -> Fe and Mg
Answer: (d).Fe and Mg
Question 77. What is the form or structure of corundum?
  1.    Tabular, flaky
  2.    Schistose, columnar
  3.    Hexagonal, columnar
  4.    Globular, tabular
 Discuss Question
Answer: Option C. -> Hexagonal, columnar
Answer: (c).Hexagonal, columnar
Question 78. What is the form or structure of asbestose?
  1.    Massive
  2.    Flaky
  3.    Tabular
  4.    Globular
 Discuss Question
Answer: Option B. -> Flaky
Answer: (b).Flaky
Question 79. What is the colour and streak of olivine respectively?
  1.    White and green
  2.    Olive green and white
  3.    Yellow and green
  4.    Green and no streak
 Discuss Question
Answer: Option B. -> Olive green and white
Answer: (b).Olive green and white
Question 80. What is the streak given by garnet?
  1.    White
  2.    Black
  3.    Grey
  4.    No colour
 Discuss Question
Answer: Option D. -> No colour
Answer: (d).No colour

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