Alloys — Set 1
Chemistry · मिश्र धातुएं · Questions 1–10 of 50
Which of the following is the primary component of Steel?
Correct Answer: C. Iron
• **Iron** = is the correct answer to this question. • **Key characteristic** — possesses unique properties for its intended use. • 💡 Wrong-option analysis: A: different metal element; B: different metal element; D: incorrect choice for stated use.
What is the key difference between Brass and Bronze?
Correct Answer: B. Brass contains Zinc while Bronze contains Tin
• **Brass contains Zinc while Bronze contains Tin** = is the correct answer to this question. • **Key characteristic** — possesses unique properties for its intended use. • 💡 Wrong-option analysis: A: different metal element; C: different metal element; D: incorrect choice for stated use.
Which alloy is specifically used for making permanent magnets?
Correct Answer: C. Alnico
• **Alnico** = is used for its specific properties and applications. • **Key characteristic** — possesses unique properties for its intended use. • 💡 Wrong-option analysis: A: different metal element; B: incorrect choice for stated use; D: incorrect choice for stated use.
In the composition of 'Stainless Steel', which element provides corrosion resistance?
Correct Answer: C. Chromium
• **Chromium** = is the correct answer to this question. • **Permanence** — creates water-resistant stains on skin that last for days. • 💡 Wrong-option analysis: A: incorrect choice for stated use; B: incorrect choice for stated use; D: different metal element.
What is the main component of the alloy used in aircraft bodies due to its light weight?
Correct Answer: C. Aluminum
• **Aluminum** = is used for its specific properties and applications. • **Key characteristic** — possesses unique properties for its intended use. • 💡 Wrong-option analysis: A: different metal element; B: incorrect choice for stated use; D: different metal element.
Which alloy is commonly used for joining electrical wires?
Correct Answer: A. Solder
• **Solder** = is used for its specific properties and applications. • **Key characteristic** — possesses unique properties for its intended use. • 💡 Wrong-option analysis: B: incorrect choice for stated use; C: incorrect choice for stated use; D: incorrect choice for stated use.
The alloy 'German Silver' actually contains no amount of which metal?
Correct Answer: B. Silver
• **Silver** = 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.
Which element is added to mercury to form an 'Amalgam'?
Correct Answer: A. Any metal
• **Any metal** = is added to provide specific functionality. • **Key characteristic** — possesses unique properties for its intended use. • 💡 Wrong-option analysis: B: different metal element; C: different metal element; D: different metal element.
What is the approximate percentage of Carbon in Steel?
Correct Answer: C. 0.1% to 1.5%
• **0.1% to 1.5%** = is the correct answer to this question. • **Key characteristic** — possesses unique properties for its intended use. • 💡 Wrong-option analysis: A: incorrect choice for stated use; B: incorrect choice for stated use; D: incorrect choice for stated use.
Which alloy is known for its high resistance to heat and is used in heating elements?
Correct Answer: D. Nichrome
• **Nichrome** = is used for its specific properties and applications. • **Key characteristic** — possesses unique properties for its intended use. • 💡 Wrong-option analysis: A: incorrect choice for stated use; B: incorrect choice for stated use; C: incorrect choice for stated use.