Chemistry ยท General Awareness
Chemistry of Metals and Alloys
1,851 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
Which metal was used for minting the first commemorative coin issued by the Government of India?
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Gold
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Silver
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Copper
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Bronze
A
Correct answer
Explanation
Gold was used for minting the first commemorative coin issued by the Government of India.
Which metal was used for minting the first commemorative coin issued by the Reserve Bank of India to mark the country's space program?
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Gold
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Silver
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Copper
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Bronze
A
Correct answer
Explanation
Gold was used for minting the first commemorative coin issued by the Reserve Bank of India to mark the country's space program.
Which metal is used to craft the gold medals awarded at the Olympic Games?
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Pure Gold
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Gold-Plated Silver
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Gold-Plated Copper
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Gold-Plated Bronze
B
Correct answer
Explanation
Olympic gold medals are not made of pure gold but rather consist of a silver core plated with approximately 6 grams of gold.
What is the composition of the silver medals awarded at the Olympic Games?
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Pure Silver
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Silver-Plated Copper
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Silver-Plated Bronze
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Silver-Plated Gold
A
Correct answer
Explanation
Olympic silver medals are crafted from pure silver, without any plating or additional metals.
What metal is used to make the bronze medals awarded at the Olympic Games?
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Pure Bronze
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Bronze-Plated Copper
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Bronze-Plated Silver
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Bronze-Plated Gold
B
Correct answer
Explanation
Olympic bronze medals are made from a copper core plated with bronze, an alloy of copper and tin.
Which metal is commonly used in furniture metalwork?
C
Correct answer
Explanation
Brass is a popular metal used in furniture metalwork due to its durability, malleability, and resistance to corrosion.
What are the different types of metal clay?
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Silver clay
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Gold clay
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Copper clay
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All of the above
D
Correct answer
Explanation
The different types of metal clay include silver clay, gold clay, and copper clay. Each type of metal clay has its own unique properties and is used for different applications.
Which of the following is NOT a common type of inclusion in steel?
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Oxides
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Sulfides
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Nitrides
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Carbides
D
Correct answer
Explanation
Carbides are not inclusions in steel, but rather a type of second phase that can form during the solidification and heat treatment of steel. Oxides, sulfides, and nitrides are all common types of inclusions in steel.
Which of the following is NOT a common type of alloying element?
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Carbon
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Manganese
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Silicon
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Oxygen
D
Correct answer
Explanation
Oxygen is not a common type of alloying element. Carbon, manganese, and silicon are all common types of alloying elements.
Which metal was used to make the first coins of the Republic of India?
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Copper
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Silver
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Nickel
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Bronze
B
Correct answer
Explanation
The first coins of the Republic of India were made of silver.
What was the metal used to make the first commemorative coin of the Republic of India?
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Copper
-
Silver
-
Nickel
-
Bronze
B
Correct answer
Explanation
The first commemorative coin of the Republic of India was made of silver.
What is the primary component of steel?
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Iron
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Carbon
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Manganese
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All of the above
D
Correct answer
Explanation
Steel is an alloy primarily composed of iron, carbon, and manganese.
What was the name of the first chemical element to be discovered?
A
Correct answer
Explanation
Gold was the first chemical element to be discovered, as it is a naturally occurring element that has been known to humans since ancient times.
Which of the following materials is ferromagnetic?
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Iron (Fe)
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Copper (Cu)
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Aluminum (Al)
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Gold (Au)
A
Correct answer
Explanation
Ferromagnetic materials are strongly attracted to magnets and can be magnetized. Iron (Fe) is a ferromagnetic material, while copper (Cu), aluminum (Al), and gold (Au) are not.
Which of the following materials is paramagnetic?
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Iron (Fe)
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Copper (Cu)
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Aluminum (Al)
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Gold (Au)
B
Correct answer
Explanation
Paramagnetic materials are weakly attracted to magnets and can be magnetized. Copper (Cu) is a paramagnetic material, while iron (Fe), aluminum (Al), and gold (Au) are not.