Ores And Minerals-Multiple Choice Questions Quiz

Interactive MCQs on “Ores And Minerals”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What term refers to naturally occurring compounds that contain valuable elements and can be extracted profitably?

(a) Elements
(b) Minerals
(c) Ores
(d) Rocks

Question 2: Which term describes naturally occurring inorganic substances with a definite chemical composition and crystalline structure?

(a) Elements
(b) Minerals
(c) Ores
(d) Compounds

Question 3: What is the primary difference between ores and minerals?

(a) Ores are valuable, while minerals are not.
(b) Ores are inorganic, while minerals are organic.
(c) Ores can be extracted for profit, while minerals cannot.
(d) Ores contain valuable elements, while minerals are impure substances.

Question 4: Which process involves the removal of gangue from an ore to extract the valuable metal?

(a) Smelting
(b) Roasting
(c) Concentration
(d) Reduction

Question 5: Which mineral is the primary source of aluminum?

(a) Quartz
(b) Hematite
(c) Bauxite
(d) Calcite

Question 6: What is the process of converting an ore into its metallic form by heating it in the presence of a reducing agent called?

(a) Smelting
(b) Roasting
(c) Calcination
(d) Leaching

Question 7: Which metal is typically extracted from the mineral chalcopyrite?

(a) Iron
(b) Copper
(c) Gold
(d) Aluminum

Question 8: What is the process of heating an ore in the absence of air to remove moisture and volatile impurities called?

(a) Roasting
(b) Smelting
(c) Calcination
(d) Reduction

Question 9: What is the term for a naturally occurring solid mixture of two or more minerals, mineraloids, or organic materials?

(a) Ores
(b) Alloys
(c) Rocks
(d) Elements

Question 10: Which metal is often extracted from the mineral hematite?

(a) Iron
(b) Aluminum
(c) Copper
(d) Gold