Which among the following solutions has pH value more than 7?
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Correct Answer: Option B
Detailed Explanation:
pH scale measures acidity and basicity: pH < 7 indicates acidic, pH = 7 is neutral, and pH > 7 indicates basic (alkaline) solutions.
Basic solutions have excess hydroxide ions (OH⁻), resulting in pH values greater than 7. Examples include sodium hydroxide, potassium hydroxide, and ammonia solutions.
Therefore, only basic solutions have pH > 7, making Option 2 the correct answer.
Question 8 of 8 Acids, Bases and Salts
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