Metals are elements that are shiny, malleable, and ductile. Ores are rocks that contain metals. Metals are extracted from ores through a process called smelting.

Here you are given Multiple Choice Questions (MCQs) on the Metals and Oresthe topic of General Knowledge. First of all, you have to read all the GK questions related to Metals and Ores and click on one correct answer for each question. If your answer is correct, you will be displayed with a ✅ sign, but if your answer is wrong, a ❌ sign will be displayed, so that you can identify the correct answer you have given.

Q. Why are metals good conductors?

 ◉ They do not have free electrons

❌ Incorrect

 ◉ Their melting point is high

❌ Incorrect

 ◉ Their atoms are light

❌ Incorrect

 ◉ they contain free electrons

✅ Correct

Q. The commonly used metals for electroplating are-

 ◉ nickel, lead and chromium

✅ Correct

 ◉ copper and lead

❌ Incorrect

 ◉ chromium and nickel

❌ Incorrect

 ◉ none of these

❌ Incorrect

Q. What is stainless steel an alloy of?

 ◉ chromium, copper and iron

❌ Incorrect

 ◉ copper and iron

❌ Incorrect

 ◉ zinc and nickel

❌ Incorrect

 ◉ iron, chromium and nickel

✅ Correct

Q. Bauxite' is the ore of which metal?

 ◉ aluminium

✅ Correct

 ◉ Cramolite

❌ Incorrect

 ◉ Corendam

❌ Incorrect

 ◉ Diaspor

❌ Incorrect

Q. In which state is the 'Khetdi' area famous for copper ore located?

 ◉ Maharashtra

❌ Incorrect

 ◉ Punjab

❌ Incorrect

 ◉ Rajasthan

✅ Correct

 ◉ Kerala

❌ Incorrect

Q. Which metal is used in the manufacture of brass?

 ◉ Iron and aluminum

❌ Incorrect

 ◉ Silver and zinc

❌ Incorrect

 ◉ zinc and copper

✅ Correct

 ◉ Copper and iron

❌ Incorrect

Q. What happens to a hole in a metal ring or rings when it is heated?

 ◉ it spreads

✅ Correct

 ◉ He shrinks

❌ Incorrect

 ◉ There is no change in it

❌ Incorrect

 ◉ None of them

❌ Incorrect

Q. About 700 years before Christ, King Gage of Lydia started the practice of coins. Of which metal were these coins made?

 ◉ alloy called 'electrum'

✅ Correct

 ◉ Bronze

❌ Incorrect

 ◉ Bars

❌ Incorrect

 ◉ Steel called mixture

❌ Incorrect

Q. What causes the flow of electric current in a metal wire?

 ◉ due to electrons

✅ Correct

 ◉ Caused by neutrons

❌ Incorrect

 ◉ Causes of proton

❌ Incorrect

 ◉ None of them

❌ Incorrect

Q. Which major metal pollutes the air of a city with a large number of self-driving vehicles?

 ◉ Cadmium

❌ Incorrect

 ◉ Mercury

❌ Incorrect

 ◉ Surma

❌ Incorrect

 ◉ lead

✅ Correct

Q. Solder is a mixture of which metal?

 ◉ Sodium and lead

❌ Incorrect

 ◉ Copper and lead

❌ Incorrect

 ◉ tin and lead

✅ Correct

 ◉ Lead and zinc

❌ Incorrect

Q. Metals are good conductors because-

 ◉ they have free electrons

✅ Correct

 ◉ They have magnetic properties

❌ Incorrect

 ◉ They have free protons

❌ Incorrect

 ◉ None of them

❌ Incorrect

Q. Which metal is found in the blood?

 ◉ Calcium

❌ Incorrect

 ◉ Soonium

❌ Incorrect

 ◉ Zinc

❌ Incorrect

 ◉ Iron

✅ Correct

Q. For what purpose the metal gap is left between two rail tracks?

 ◉ To apply wood

❌ Incorrect

 ◉ For seasonal changes

❌ Incorrect

 ◉ To reduce the load of rail

❌ Incorrect

 ◉ for linear expansion

✅ Correct

Q. Is brass an alloy?

 ◉ Copper and zinc

❌ Incorrect

 ◉ Tin and zinc

❌ Incorrect

 ◉ Iron and zinc

❌ Incorrect

 ◉ copper and tin

✅ Correct


Visit link below to learn more about the topic:

List of Different Metals and their Ores 🔗

  Last update :  Mon 5 Jun 2023
  Post Views :  3196
  Post Category :  Geography Quizzes