Class 10 Chemistry MCQs - Chapter 5

Chemical Industries Multiple Choice Questions (MCQ) PDF - 14

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The Book Chemical industries Multiple Choice Questions (MCQs), Chemical Industries MCQs PDF Download, Free Ch. 5-14 to learn class 10 chemistry online courses. Study Petroleum Multiple Choice Questions and Answers (MCQs) PDF, chemical industries quiz questions and answers to study online school courses. The Chemical Industries MCQ App Download: Free educational app for petroleum, basic metallurgical operations test prep for distance learning.

The MCQs: Boiling point of kerosene is; "Chemical Industries" App Download Android & iOS (Free) with answers 35 °c to 70 °c, below 20 °c, 70 °c to 120 °c and 170 °c to 250 °c to study online school courses. Practice petroleum quiz questions, download Apple Book (Free Sample) for online teaching certification programs.

Chemical Industries Questions & Answers PDF Download: MCQ Quiz 14

MCQ 66: The boiling point of kerosene is

below 20 °C
35 °C to 70 °C
70 °C to 120 °C
170 °C to 250 °C

MCQ 67: The first step of metallurgy is

crushing, grinding or pulverizing of the ore
concentration of the ore
extraction of metal
refining of metal

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