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Question
Which of the following will have pH below 7?
Options
vinegar
toothpaste
soap
washing soda
MCQ
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Solution
Vinegar
Explanation:
Vinegar contains acetic acid, making it acidic. Acidic substances have a pH below 7, whereas toothpaste, soap, and washing soda are basic compounds (pH above 7).
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Chapter 3: Acids, Bases and Salts - Intext Question [Page 63]
