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Question
Which of the following substances will NOT turn blue litmus red?
Which of the following substances will NOT turn blue litmus red?
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Solution
The correct option is C Toothpaste
Acids turn blue litmus red. Milk, orange juice, and vinegar are acidic in nature and, hence, they turn blue litmus red.
Bases turn red litmus blue. Toothpaste is basic in nature and, hence, will turn red litmus blue.
Acids turn blue litmus red. Milk, orange juice, and vinegar are acidic in nature and, hence, they turn blue litmus red.
Bases turn red litmus blue. Toothpaste is basic in nature and, hence, will turn red litmus blue.
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