Find the odd one out: NaOH, KOH, Ca(OH)2, HCl MCQ with Answer and Explanation

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Find the odd one out: NaOH, KOH, Ca(OH)2, HCl

A. KOH

B. HCl

C. Ca(OH)2

D. NaOH

Answer: Option B

Solution (By JKSSB Mock Tests)

NaOH, KOH and Ca(OH)2 are bases; HCl is an acid.

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: B, C, D, G

A. G

B. B

C. C

D. D

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Correct Answer: Option A

Explanation:
B, C and D are consecutive positions 2, 3, 4; G=7 breaks the consecutive sequence.

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

Question #2

Find the odd one out: H, I, J, M

A. M

B. J

C. H

D. I

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Correct Answer: Option A

Explanation:
H, I and J are consecutive positions 8, 9, 10; M=13 breaks the consecutive sequence.

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

Question #3

Find the odd one out: Run, Jump, Sing, Happiness

A. Run

B. Happiness

C. Jump

D. Sing

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Correct Answer: Option B

Explanation:
Run, Jump and Sing are verbs; Happiness is a noun.

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

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