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प्रश्न
Which of the following substances when dissolved in equal volume of water, will have the highest pH value?
विकल्प
Sulphuric acid
Acetic acid
Magnesium hydroxide
Sodium hydroxide
MCQ
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उत्तर
Sodium hydroxide
Explanation:
Among sulphuric acid, acetic acid, magnesium hydroxide and sodium hydroxide, sodium hydroxide (NaOH) is a strong, highly soluble base producing a high concentration of OH− in solution; magnesium hydroxide is sparingly soluble, and both acids give low pH values generally.
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