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
-
Chromium and nickel
-
Iron and copper
-
Silver and gold
-
None of these
A
Correct answer
Explanation
Chromium is commonly used for electroplating to provide a shiny, corrosion-resistant finish, and both chromium and nickel are essential alloying elements in the production of stainless steel.
-
Aluminium
-
Iron
-
Zinc
-
None of these
B
Correct answer
Explanation
In the Haber process for the industrial production of ammonia, finely divided iron is used as a catalyst to speed up the reaction between nitrogen and hydrogen.
-
Gold
-
Silver
-
Copper
-
None of these
A
Correct answer
Explanation
In the reactivity series of metals, gold is at the bottom, making it the least reactive metal among the choices provided.
-
Aluminium
-
Copper
-
Nickel
-
Gold
A
Correct answer
Explanation
Aluminium is the most abundant metal in the Earth's crust, making up about 8 percent of its weight.
D
Correct answer
Explanation
Copper was the first metal used by humans, marking the beginning of the Copper Age or Chalcolithic period.
-
Copper and nickel
-
Chromium and molybdenum
-
Potassium and rubidium
-
Cadmium and cobalt
-
Barium and tungsten
A
Correct answer
Explanation
Copper and nickel both crystallize in cubic close-packed or face centered cubic (fcc) arrangement.
-
Copper
-
Iron
-
Gold
-
None of these
A
Correct answer
Explanation
Copper is widely accepted as the first metal discovered and used by humans, marking the beginning of the Copper Age.
-
Tin
-
Lead
-
Phosphorus
-
Radium
C
Correct answer
Explanation
Phosphorus is a non-metal located in the p-block of the periodic table. Tin, lead, and radium are all metallic elements.
-
Aluminium
-
Iron
-
Calcium
-
Radium
A
Correct answer
Explanation
Aluminium is the most abundant metal in the Earth's crust, making up about 8 percent of the crust by weight. Iron is the second most abundant metal.
-
Silver
-
Copper
-
Aluminium
-
None of these
A
Correct answer
Explanation
Silver has the highest thermal conductivity of any metal. Copper is also an excellent conductor, but silver ranks first.
-
Silver
-
Copper
-
Gold
-
None of these
-
Lead
-
Copper
-
Aluminium
-
Silver
A
Correct answer
Explanation
Lead is a poor conductor of heat compared to other common metals like copper, aluminium, and silver.
-
gold
-
silver
-
iron
-
aluminium
A
Correct answer
Explanation
Ductility is the ability of a material to be drawn into a thin wire. Gold is widely recognized as the most ductile metal, as a single gram can be drawn into a wire several kilometers long.
-
iron and tin
-
brass and bronze
-
copper, zinc and nickel
-
copper and silver
C
Correct answer
Explanation
German silver is a misnomer, as it contains no silver. It is an alloy composed of copper, zinc, and nickel, known for its silvery appearance and corrosion resistance.
-
Potassium
-
Mercury
-
Copper
-
None of these
B
Correct answer
Explanation
Mercury is a chemical element with the symbol Hg and is the only metallic element that is liquid at standard temperature and pressure.