RRB Group D 2025 GK Practice Set -2: There is an important section in general knowledge (GK) RRB Group D 2025 Cover the subjects such as computer-based tests History, Geography, Politics, Science, Current Affairs and Static GKA strong understanding of GK helps candidates score well and improve their overall performance.
it Practice set -2 It is designed to test and increase your knowledge with important and frequently asked questions. Regular practice of such sets will promote confidence and accuracy, which will help you to clean the exam easily.
RRB Group D2025 GK Practice Set for CBT -2
Here are mcqs:
1. What is the pH level under which rain is considered as acid rain?
a) 5.0
B) 5.6
C) 6.0
d) 6.5
2. Which alloy is made of copper and zinc?
A) Monele Metal
B) Magnallium
C) rolled gold
d) Dutch metal
3. Which statements about metals reacting with acids are correct?
A) The metal reacts with acids to produce metal salts and hydrogen gas.
B) Non-metal reacts with oxygen to produce basic oxide.
C) Metals react to producing acidic oxides with oxygen.
D) Less reactive metals displace more reactive metals.
A) Formic acid
B) Aqua Regia
C) acetic acid
d) chloroform
5. Which of the following statements is not correct about alkaline metals?
A) They are white and soft.
B) They have a low ionization sacs.
C) They have two valence electrons.
d) They are known as group 1 metals.
6. Which metal violently reacts with cold water?
A) magnesium
B) Aluminum
C) zinc
D) potassium
7. Which metal has a atomic number 3 and reacts strictly with water?
A) Potassium
B) sodium
C) lithium
D) rubidium
8. Which of the following is less grade brown coal with high moisture content?
A) Bituminus
B) Antharesite
C) Peat
d) lignite
9. Which of the following is the 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 ore is in the form of kisses?
A) silver
B) magnesium
C) potassium
d) iron
11. Which alloy leads to a lead as a component?
A) Aliko
B) Milap
C) nickel
d) Constanton
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 Isobar?
A) chlorine and oxygen
B) calcium and argon
C) Oxygen and carbon
D) hydrogen and helium
15. Which is the most rare element?
a) Astatine
B) Radon
C) uranium
D) lithium
16. Which metal is used as an alternative to mercury in thermometer?
A) Gallium
B) Copper
C) bronze
d) zinc
17. Which element is named from an Anglo-Saxon word and is symbolized by the Latin word ‘Aur’?
A) Argon
B) gold
C) aluminum
d) silver
18. Which metal sulfate is made of potassium, aluminum and sulfate ions, which is in the ratio of 1: 1: 2?
A) gypsum
B) potash alum
C) Epsom salts
d) Celestite
19. Which of the following is not the property of metal?
a) Looks dull
B) can be fed in size
C) can be made in a wire
d) conducts heat
20. What metal reactions with moist carbon dioxide to make green coats?
A) silver
B) Iron
C) zinc
d) Copper
21. Which of the following is not the specialty of metal?
a) High melting points
B) Good electricity conductor
C) brittle solid
D) condemnable
22. Which of the following is the deepest lake in the world?
a) Caspian Sea
B) Tanganika
C) backkal
d) Vostok
23. Which sea is located in the north -western part of the Indian Ocean?
A) Arabian Sea
B) Mediterranean Sea
C) Caribbean Sea
d) Coral Sagar
24. Which city is located at the mouth of the Yangtzi 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
RRB Group D 2025 GK Practice Set -2 for CBT
Here are the answers:
- B) 5.6
- d) Dutch metal
- A) The metal reacts with acids to produce metal salts and hydrogen gas.
- B) Aqua Regia
- C) They have two valence electrons.
- D) potassium
- C) lithium
- d) lignite
- d) It has a high melting point.
- B) magnesium
- B) Milap
- C) Gallium
- a) 99
- B) calcium and argon
- a) Astatine
- A) Gallium
- B) gold
- B) potash alum
- a) Looks dull
- d) Copper
- C) brittle solid
- C) backkal
- A) Arabian Sea
- a) Shanghai
- a) Mumbai High
