General Studies Quiz

1. The inert gas which is substituted for nitrogen in the air, used by deep sea drivers for breathing is —
(A) Helium (B) Argon (C) Krypton (D) Xenon
2. The group of metals Fe, Co, Ni may be best called as —
(A) Alkali metals (B) Rare metals (C) Main group metals (D) Transition metals

3. Which of the following characters is not shown by hydrogen —
(A) It burns in air to form water
(B) It supports combustion
(C) It combines with almost all metals forming hydrides
(D) It readily combines with fluorine and chlorine

4. Which of the following elements is obtained from sea weeds ?
(A) Argon (B) Sulphur (C) Vanadium (D) Iodine

5. The metallic constituents of hard water are —
(A) Magnesium, Calcium and tin
(B) Iron, tin and calcium
(C) Calcium, magnesium and iron
(D) Magnesium, tin and iron

6. The property of a substance to absorb moisture from the air on exposure is called —
(A) Osmosis (B) Desiccation (C) Efflorescence (D) Deliquescene

7. Brass gets discoloured in air due to the presence of which gas in air —
(A) Carbon dioxide (B) Oxygen (C) Hydrogen Sulphide (D) Nitrogen

8. Quartz crystals normally used in quartz clocks etc. is chemically —
(A) Sodium Silicate (B) Silicon dioxide (C) Germenium dioxide (D) A mixture of (B) & (C)

9. Bell Metal is an alloy of —
(A) Brass and Nickel (B) Zinc and Copper (C) Tin and Copper (D) Nickel and Copper

10. The high temperature superconductors are —
(A) Metal alloys (B) Ceramic oxides (C) Inorganic polymers (D) Pure rare earth metals

Answer

1. (A) 2. (D) 3. (B) 4. (D) 5. (C) 6. (D) 7. (C) 8. (B) 9. (C) 10. (B)