Chemical Industries Multiple Choice Questions and Answers 12 PDF Book Download

Chemical industries MCQ, chemical industries quiz answers 12 to learn high school chemistry online courses. Petroleum multiple choice questions (MCQs), chemical industries quiz questions and answers for online school degrees. Basic metallurgical operations, petroleum, metallurgical operations test for high school teacher certification.

Learn high school chemistry MCQs: ore of copper is called, with choices chalcopyrite, haematite, bauxite, and halite for online school degrees. Free chemistry study guide for online learning petroleum quiz questions to attempt multiple choice questions based test.

MCQ on Chemical Industries Worksheets 12 PDF Book Download

MCQ: Ore of mercury is called

  1. Galena
  2. Zinc blende
  3. Cinnabar
  4. Chromite

C

MCQ: Ore of copper is called

  1. Haematite
  2. Chalcopyrite
  3. Bauxite
  4. Halite

B

MCQ: Number of carbon atoms per molecule in fuel oil are

  1. 14 to 20
  2. 20 to 50
  3. 50 to 70
  4. More than 70

C

MCQ: Process of converting minerals in to oxides is called

  1. smelting
  2. reigning
  3. roasting
  4. bessemerization

C

MCQ: A solid deposit containing a sufficiently high percentage of a mineral to make extraction of metal economically feasible is called

  1. Metal oxide
  2. Gangue
  3. Ore
  4. None of these

C