Find the odd one out: HCl, H2SO4, NaOH, HNO3 MCQ with Answer and Explanation

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Find the odd one out: HCl, H2SO4, NaOH, HNO3

A. HNO3

B. H2SO4

C. HCl

D. NaOH

Answer: Option D

Solution (By JKSSB Mock Tests)

HCl, H2SO4 and HNO3 are acids; NaOH is a base.

This question belongs to: Reasoning Classification (Odd One Out)

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Practice More Classification (Odd One Out) Questions

Question #1

Find the odd one out: G, K, O, T

A. T

B. G

C. O

D. K

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Correct Answer: Option A

Explanation:
G=7, K=11 and O=15 follow a gap of 4; T=20 breaks the arithmetic sequence.

This question belongs to: Reasoning Classification (Odd One Out)

Question #2

Find the odd one out: Hindi, English, Urdu, History

A. Hindi

B. History

C. English

D. Urdu

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Correct Answer: Option B

Explanation:
Hindi, English and Urdu are languages; History is a subject.

This question belongs to: Reasoning Classification (Odd One Out)

Question #3

Find the odd one out: 5, 10, 15, 22

A. 15

B. 10

C. 22

D. 5

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Correct Answer: Option C

Explanation:
5, 10 and 15 are multiples of 5; 22 is not a multiple of 5.

This question belongs to: Reasoning Classification (Odd One Out)

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