Objective GK Quiz on Material Science - Set 06

G.K. Practice Test: Question Set - 06

1. Which of the following is a non metal that remains liquid at room temperature?
    (A) Phosphorous
    (B) Bromine
    (C) Chlorine
    (D) Helium

2. Which of the following metals forms an amalgam with other metals?
    (A) Tin
    (B) Mercury
    (C) Lead
    (D) Zinc

3. The gas usually filled in the electric bulb is
    (A) Nitrogen
    (B) Hydrogen
    (C) Carbon dioxide
    (D) Oxygen

4. Which of the gas is not known as green house gas?
    (A) Methane
    (B) Nitrous oxide
    (C) Carbon dioxide
    (D) Hydrogen

5. The hardest substance available on earth is
    (A) Gold
    (B) Iron
    (C) Diamond
    (D) Platinum

6. Which of the following is used as a lubricant?
    (A) Graphite
    (B) Silica
    (C) Iron Oxide
    (D) Diamond

7. When an iron nail gets rusted, iron oxide is formed
    (A) Without any change in the weight of the nail
    (B) With decrease in the weight of the nail
    (C) With increase in the weight of the nail
    (D) Without any change in colour or weight of the nail

8. Galvanized iron sheets have a coating of
    (A) Lead
    (B) Chromium
    (C) Zinc
    (D) Tin

9. The element common to all acids is
    (A) Hydrogen
    (B) Carbon
    (C) Sulphur
    (D) Oxygen

10. Monazite is an ore of
    (A) Titanium
    (B) Zirconium
    (C) Iron
    (D) Thorium

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Material Science GK
  Set 01      Set 02      Set 03      Set 04      Set 05      Set 06      Set 07      Set 08
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