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Question

Which of the followings is a strong base?

This question was previously asked in
OTET 2026 Social Studies Question Paper (5-Jul-2026)
The correct answer is

Sodium hydroxide

Sodium hydroxide (NaOH) fully dissociates in water to give a high concentration of OH- ions, making it a strong base, unlike sodium carbonate which is only a weak/mild base.

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Important Questions from Equilibrium

  1. What is the pH of a solution prepared by dissolving $0.0025$ moles of $HNO_3$ in $250\,mL$ of water?

  2. Which species acts as acid like behaviour in the following reaction?

    \(HPO_4^{2-}+NH_4^{1+}\rightarrow H_2PO_4^{1-}+NH_3\)

  3. Aqueous solution of CH 3COONa is:

  4. pH of a neutral solution is ___________.

  5. A stain of curry on a white cloth become reddish brown when soap is used because the soap is:

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