Metals & Ores — Set 2
Chemistry · धातुएं और अयस्क · Questions 11–20 of 50
Which ore is used to extract the metal Chromium?
Correct Answer: C. Chromite
• **Chromite** = is used for its specific properties and applications. • **Industrial use** — extracted and processed for various applications. • 💡 Wrong-option analysis: A: incorrect choice for stated use; B: incorrect choice for stated use; D: incorrect choice for stated use.
Sphalerite is a major ore of which metal?
Correct Answer: A. Zinc
• **Zinc** = is the correct answer to this question. • **Industrial use** — extracted and processed for various applications. • 💡 Wrong-option analysis: B: incorrect choice for stated use; C: different metal element; D: different metal element.
Malachite is a green mineral that serves as an ore of?
Correct Answer: A. Copper
• **Copper** = is the correct answer to this question. • **Industrial use** — extracted and processed for various applications. • 💡 Wrong-option analysis: B: different metal element; C: different metal element; D: different metal element.
Which of the following is an ore of Iron?
Correct Answer: C. Magnetite
• **Magnetite** = is the correct answer to this question. • **Industrial use** — extracted and processed for various applications. • 💡 Wrong-option analysis: A: incorrect choice for stated use; B: incorrect choice for stated use; D: incorrect choice for stated use.
The ore 'Monazite' is a significant source of which element?
Correct Answer: D. Thorium
• **Thorium** = is the correct answer to this question. • **Industrial use** — extracted and processed for various applications. • 💡 Wrong-option analysis: A: incorrect choice for stated use; B: incorrect choice for stated use; C: incorrect choice for stated use.
Bornite is a sulfide mineral ore of which metal?
Correct Answer: B. Copper
• **Copper** = is the correct answer to this question. • **Industrial use** — extracted and processed for various applications. • 💡 Wrong-option analysis: A: different metal element; C: different metal element; D: different metal element.
Stibnite is the primary ore for which semi-metal?
Correct Answer: D. Antimony
• **Antimony** = is the correct answer to this question. • **Industrial use** — extracted and processed for various applications. • 💡 Wrong-option analysis: A: incorrect choice for stated use; B: incorrect choice for stated use; C: incorrect choice for stated use.
Which metal is commonly extracted from the ore 'Pentlandite'?
Correct Answer: A. Nickel
• **Nickel** = is commonly used in practical applications. • **Industrial use** — extracted and processed for various applications. • 💡 Wrong-option analysis: B: incorrect choice for stated use; C: different metal element; D: different metal element.
Rutile is a mineral composed primarily of which oxide?
Correct Answer: A. Titanium dioxide
• **Titanium dioxide** = serves as the primary component or element. • **Key characteristic** — possesses unique properties for its intended use. • 💡 Wrong-option analysis: B: chemical compound but different type; C: chemical compound but different type; D: chemical compound but different type.
Cryolite was historically used in the extraction of which metal?
Correct Answer: C. Aluminium
• **Aluminium** = is used for its specific properties and applications. • **Industrial use** — extracted and processed for various applications. • 💡 Wrong-option analysis: A: incorrect choice for stated use; B: incorrect choice for stated use; D: different metal element.