Class 10 Online Courses

Chapter 5: Class 10 Chemistry Exam Tests

Class 10 Chemistry MCQs - Chapter 5

Chemical Industries Multiple Choice Questions (MCQ) PDF - 12

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Chemical Industries Questions & Answers PDF Download: MCQ Quiz 12

MCQ 56: Ore of mercury is called

A) galena
B) zinc blende
C) cinnabar
D) chromite

MCQ 57: Ore of copper is called

A) hematite
B) chalcopyrite
C) bauxite
D) halite

MCQ 58: Number of carbon atoms per molecule in fuel oil is

A) 14 to 20
B) 20 to 50
C) 50 to 70
D) 70 to 90

MCQ 59: The process of converting minerals into oxides is called

A) smelting
B) reigning
C) roasting
D) Bessemerization

MCQ 60: A solid deposit containing a sufficiently high percentage of a mineral to make extraction of metal economically feasible is called

A) metal oxide
B) gangue
C) ore
D) none of above

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Chemical Industries App (Android & iOS)

Chemical Industries App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)