Govt. Exams
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Topics in General Science
Q.1
Easy
Chemistry 08 Apr 2026
Hardest natural substance?
Correct Answer: C. Diamond
EXPLANATION
Diamond = 10 on Mohs scale.
Q.2
Easy
Chemistry 08 Apr 2026
Liquid to gas process?
Correct Answer: C. Evaporation
EXPLANATION
Evaporation = liquid to gas.
Q.3
Easy
Chemistry 08 Apr 2026
Atomic number of Carbon?
Correct Answer: A. 6
EXPLANATION
Carbon atomic number = 6.
Q.4
Easy
Chemistry 08 Apr 2026
Chemical formula of water?
Correct Answer: B. H2O
EXPLANATION
Water = H₂O.
Q.5
Easy
Chemistry 03 Apr 2026
Which of the following elements has the highest electronegativity value on the Pauling scale?
Correct Answer: A. Fluorine
EXPLANATION
Fluorine has the highest electronegativity value of 3.98 on the Pauling scale, making it the most electronegative element.
This is because it has the smallest atomic radius and the highest effective nuclear charge among all elements, causing it to attract electrons most strongly in a chemical bond.
