Class 10 Chemistry MCQs - Chapter 5

Chemical Industries MCQ (Multiple Choice Questions) PDF - 14

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Free Chemical industries Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Chemical Industries MCQ PDF Book), test 14 to learn online class 10 chemistry certificate courses. Study Petroleum Multiple Choice Questions and Answers (MCQs) PDF, chemical industries quiz questions and answers to study online school courses. Free educational App: Chemical Industries MCQ App Download & e-Book 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

A) below 20 °C

B) 35 °C to 70 °C

C) 70 °C to 120 °C

D) 170 °C to 250 °C

MCQ 67: The first step of metallurgy is

A) crushing, grinding or pulverizing of the ore

B) concentration of the ore

C) extraction of metal

D) refining of metal

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