Chemistry · General Awareness

Chemistry of Metals and Alloys

1,762 Questions

Review the physical and chemical properties of various metals and their common alloys. This collection covers industrial applications, metallurgical processes, and practical uses of elements like silicon and boron. Practice these questions to strengthen your chemistry fundamentals for exams.

Properties of metalsCommon alloysIndustrial metallurgyChemical applications

Chemistry of Metals and Alloys Questions

Multiple choice thermodynamic principles of metallurgy general principles and processes of isolation of elements metallurgy chemistry

Which of the following can be obtained by hydrometallurgy :

  1. Copper

  2. Gold

  3. Silver

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Hydrometallurgy is a method for obtaining metals from their ores. It is a technique within the field of extractive metallurgy involving the use of aqueous chemistry for the recovery of metals from ores, concentrates, and recycled or residual materials.

Hydro metallurgy : (Ag, Au, Cu) –  This is wet metallurgy process. 
$Cu \rightarrow Pyro + Hydro $
$Ag$ and $Au \rightarrow$ By cynide process

Steps are : (i) Complex formation (ii) Metal displacement
Multiple choice chemistry materials: metals and non-metals physical properties of metals and non-metals some physical properties of metals general characteristics and uses of metals

Metals are lustrous.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Metals are lustrous because of the free electrons present in them. The free electrons can move freely in the metal causing any light incident on them to get reflected back. This reflection is specular reflection rather than diffused and thus the metal surface appears shiny or lustrous.
Hence, option $A$ is correct.

Multiple choice

Which of the following is an example of a transition metal?

  1. Iron

  2. Copper

  3. Gold

  4. Sodium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Iron is a transition metal, characterized by its partially filled d orbitals.

Multiple choice

What is the most common metal used in jewelry making?

  1. Gold

  2. Silver

  3. Platinum

  4. Copper
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Gold is the most common metal used in jewelry making because it is malleable, ductile, and has a beautiful luster.

Multiple choice

What is the most common type of jewelry metal?

  1. Gold

  2. Silver

  3. Platinum

  4. Copper
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Gold is the most common type of jewelry metal because it is malleable, ductile, and has a beautiful luster.

Multiple choice

Which of the following is NOT a type of recyclable metal?

  1. Aluminum

  2. Steel

  3. Copper

  4. Brass

  5. Lead
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Lead is not a type of recyclable metal due to its toxicity and the release of harmful chemicals during the recycling process.

Multiple choice

Which of the following is a metal?

  1. Sodium

  2. Chlorine

  3. Oxygen

  4. Carbon
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Metals are elements that are shiny, malleable, and ductile. Sodium is a metal because it is shiny, malleable, and ductile.

Multiple choice

Which metal was most commonly used in ancient Indian metalwork?

  1. Gold

  2. Silver

  3. Copper

  4. Iron
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Copper was the most commonly used metal in ancient Indian metalwork due to its abundance and ease of working.

Multiple choice

Which type of jewelry is typically made from precious metals such as gold, silver, or platinum?

  1. Fine Jewelry

  2. Costume Jewelry

  3. Fashion Jewelry

  4. Vintage Jewelry
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Fine jewelry is crafted from precious metals like gold, silver, or platinum and often features high-quality gemstones or intricate designs.

Multiple choice

Which tool is used to heat metal?

  1. Blowtorch

  2. Soldering iron

  3. Welding torch

  4. Forge
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A forge is a tool used to heat metal.

Multiple choice

Which metal is traditionally used for bridal jewelry in India?

  1. Gold

  2. Silver

  3. Platinum

  4. Diamond
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Gold is the traditional metal used for bridal jewelry in India, as it is considered auspicious and valuable.

Multiple choice

Which of the following is not a type of metal commonly used in jewelry making?

  1. Gold

  2. Silver

  3. Platinum

  4. Titanium
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Titanium is not as commonly used in jewelry making as gold, silver, and platinum.

Multiple choice

Which of the following is not a type of jewelry making wire?

  1. Copper wire

  2. Silver wire

  3. Gold wire

  4. Steel wire
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Steel wire is not a common type of jewelry making wire.