Chemical Industries Multiple Choice Questions and Answers 14 PDF Book Download

Chemical industries MCQs, chemical industries quiz answers 14 to learn high school online courses. Basic metallurgical operations multiple choice questions (MCQs), chemical industries quiz questions and answers for for online school degrees. Petroleum, basic metallurgical operations test for high school teacher certification.

Learn high school chemistry multiple choice questions (MCQs): first step of metallury is, with choices concentration of the ore, crushing, grinding or pulverizing of the ore, extraction of metal, and refining of metal for online school degrees. Free chemistry study guide for online learning basic metallurgical operations quiz questions to attempt multiple choice questions based test.

MCQ on Chemical Industries Worksheets 14 PDF Book Download

MCQ: Boiling point of kerosene is

  1. Below 20?C
  2. 35?C to 70?C
  3. 70?C to 120?C
  4. 170?C to 250?C

D

MCQ: First step of metallury is

  1. Crushing, grinding or pulverizing of the ore
  2. Concentration of the ore
  3. Extraction of metal
  4. Refining of metal

A