Top 50 General Science GK Questions

General Science GK Questions

Q.21 Which of the following is not an allotrope of Carbon?
 (A) Diamond
 (B) Graphite
 (C) Fullerenes
 (D) Glass
 

Q.22 What is the formula of Sulfuric acid?
 (A) H₂SO₄
 (B) SO₂
 (C) Na₂SO₄
 (D) K₂SO₄
 

Q.23 How are the following elements arranged in the Periodic table?
 H, He, Li, Be, and B
 (A) H, He, Li, Be, and B
 (B) H, Li, He, Be, and B
 (C) H, He, Be, Li and B
 (D) H, Be, He, B and Li
 

Q.24 What is the number of periods in which the Periodic table is divided?
 (A) 6
 (B) 7
 (C) 8
 (D) 9
 

Q.25 There are ___ Groups in the Periodic table.
 (A) 18
 (B) 17
 (C) 16
 (D) 15
 

Q.26 Which one of the following is not an element of Noble gases?
 (A) Helium
 (B) Neon
 (C) Xenon
 (D) Hydrogen
 

Q.27 Mole is defined as the number of atoms found in _____ of carbon-12?
 (A) 11 grams
 (B) 14 grams
 (C) 10 grams
 (D) 12 grams
 

Q.28 Which of the following is not a mixture?
 (A) Steel
 (B) Aluminium
 (C) Graphite
 (D) Glass
 

Q.29 Alloys are _______________
 (A) Harder than the pure metal
 (B) Harder than the impure metal
 (C) Softer than the pure metal
 (D) Softer than the impure metal
 

Q.30 What is the name of that process in which oxygen is removed?
 (A) Oxidation
 (B) Electrolysis
 (C) Ionization
 (D) Reduction
 

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