RRB Group D 2025 GK Practice SET-2 for CBT

RRB Group D 2025 GK Practice SET-2: General Knowledge (GK) is a vital section in the RRB Group D 2025 Computer-Based Test (CBT), covering topics like History, Geography, Polity, Science, Current Affairs, and Static GK. A strong grasp of GK helps candidates score well and improve their overall performance.

This Practice Set-2 is designed to test and enhance your knowledge with important and frequently asked questions. Regular practice of such sets will boost confidence and accuracy, helping you clear the exam with ease.

RRB Group D 2025 GK Practice SET-2 for CBT

Here are the MCQs:

1. What is the pH level below which rain is considered acid rain?
a) 5.0
b) 5.6
c) 6.0
d) 6.5

2. Which alloy is made up of copper and zinc?
a) Monel Metal
b) Magnalium
c) Rolled Gold
d) Dutch Metal

3. Which statement is correct about metals reacting with acids?
a) Metals react with acids to produce metal salts and hydrogen gas.
b) Non-metals react with oxygen to produce basic oxides.
c) Metals react with oxygen to produce acidic oxides.
d) Less reactive metals displace more reactive metals.

4. Which of the following liquids can dissolve noble metals like gold and platinum?
a) Formic acid
b) Aqua regia
c) Acetic acid
d) Chloroform

5. Which of the following statements is NOT correct about alkali metals?
a) They are silvery white and soft.
b) They have low ionization enthalpies.
c) They have two valence electrons.
d) They are known as Group 1 metals.

6. Which metal reacts violently with cold water?
a) Magnesium
b) Aluminium
c) Zinc
d) Potassium

7. Which metal has the atomic number 3 and reacts vigorously with water?
a) Potassium
b) Sodium
c) Lithium
d) Rubidium

8. Which of the following is a low-grade brown coal with high moisture content?
a) Bituminous
b) Anthracite
c) Peat
d) Lignite

9. Which of the following is a property of silicon dioxide?
a) It conducts electricity.
b) It is soft.
c) It is soluble in water.
d) It has a high melting point.

10. Which mineral has kieserite as its ore?
a) Silver
b) Magnesium
c) Potassium
d) Iron

11. Which alloy contains lead as a component?
a) Alnico
b) Solder
c) Nickel
d) Constantan

12. Which metal is used in LED semiconductor technology?
a) Iron
b) Copper
c) Gallium
d) Zinc

13. What is the atomic number of Einsteinium?
a) 99
b) 98
c) 101
d) 100

14. Which of the following is an example of a pair of isobars?
a) Chlorine and oxygen
b) Calcium and argon
c) Oxygen and carbon
d) Hydrogen and Helium

15. Which is the rarest element?
a) Astatine
b) Radon
c) Uranium
d) Lithium

Also Read: Railway RRB NTPC Under Graduate Level Practice SET-4 for CBT

16. Which metal is used as a substitute for mercury in thermometers?
a) Gallium
b) Copper
c) Bronze
d) Zinc

17. Which element’s name is derived from an Anglo-Saxon word and its symbol from the Latin word ‘Aurum’?
a) Argon
b) Gold
c) Aluminium
d) Silver

18. Which metal sulphate is composed of potassium, aluminium, and sulphate ions in the ratio 1:1:2?
a) Gypsum
b) Potash alum
c) Epsom salts
d) Celestite

19. Which of the following is NOT a property of metals?
a) Looks dull
b) Can be pounded into shape
c) Can be made into a wire
d) Conducts heat

20. Which metal reacts with moist carbon dioxide to form a green coat?
a) Silver
b) Iron
c) Zinc
d) Copper

21. Which of the following is NOT a feature of metals?
a) High melting points
b) Good conductors of electricity
c) Brittle solids
d) Malleable

22. Which of the following is the deepest lake in the world?
a) Caspian Sea
b) Tanganyika
c) Baikal
d) Vostok

23. Which sea is located in the northwestern part of the Indian Ocean?
a) Arabian Sea
b) Mediterranean Sea
c) Caribbean Sea
d) Coral Sea

24.Which city is located at the mouth of the Yangtze River?
a) Shanghai
b) Beijing
c) Lhasa
d) Guangzhou

25. Which region in the Arabian Sea is known for mining mineral oil?
a) Mumbai High
b) Digboi
c) Surma Valley
d) Rajasthan

Also Read: RRB Group D 2025 Reasoning Practice SET 1 for CBT

Answers to the RRB Group D 2025 GK Practice SET-2 for CBT

Here are the answers:

1. b) 5.6
2. d) Dutch Metal
3. a) Metals react with acids to produce metal salts and hydrogen gas.
4. b) Aqua regia
5. c) They have two valence electrons.
6. d) Potassium
7. c) Lithium
8. d) Lignite
9. d) It has a high melting point.
10. b) Magnesium
11. b) Solder
12. c) Gallium
13. a) 99
14. b) Calcium and argon
15. a) Astatine
16. a) Gallium
17. b) Gold
18. b) Potash alum
19. a) Looks dull
20. d) Copper
21. c) Brittle solids
22. c) Baikal
23. a) Arabian Sea
24. a) Shanghai
25. a) Mumbai High

Also Read: RRB Group D 2025 GK Practice SET-1 for CBT

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