Chemistry · 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

Multiple choice

Consider the following metals:

  1. The coinage metals include silver, copper, gold and zinc.
  2. In fireworks, the green flame is produced due to barium.

Which of the given statements is/are correct?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Statement 1 is incorrect. The coinage metals include silver, copper and gold. Zinc is not a coinage metal. Statement 2 is also correct. Barium compounds are added in fireworks to impart a green colour.

Multiple choice

Which of these fits gap 20?

Directions: Complete this passage by selecting the most suitable option for the corresponding gap.
History reveals that copper was used by man as early as the Stone Age. By 4000 BC, mining of copper______ (17) _______.
_____ (18) ______, man came to know that bronze, an alloy of copper, zinc and tin is harder than copper.
As time ____ (19) ______, copper came to be one of the most important metals in the world, used extensively in electrical and other industries.
______ (20) ______ of the world’s copper comes from Canada, USA, Chile, Zambia and Russia.

  1. Least

  2. Many

  3. Much

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

We are talking of a quantity (much), not a number. Also there is no comparison.