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Question
Which one of the following will turn blue litmus red?
Which one of the following will turn blue litmus red?
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Solution
The correct option is A Vinegar
Explanation for correct option:
A. Vinegar
Litmus paper:
- Litmus paper is used to determine whether a solution/substance is acidic/alkaline.
- It works as a chemical indicator.
- Acids turn blue litmus red, whereas Bases turn red litmus blue.
Vinegar is an acidic solution. Thus it will change the color of blue litmus to red.
Explanation for incorrect options:
Lime, baking soda solution, as well as washing soda solution, are alkaline in nature thus they will change the red litmus into blue. Therefore options B, C, and D are incorrect.
Hence, the correct option is A i.e. Vinegar.
Vinegar
Explanation for correct option:
A. Vinegar
Litmus paper:
- Litmus paper is used to determine whether a solution/substance is acidic/alkaline.
- It works as a chemical indicator.
- Acids turn blue litmus red, whereas Bases turn red litmus blue.
Vinegar is an acidic solution. Thus it will change the color of blue litmus to red.
Explanation for incorrect options:
Lime, baking soda solution, as well as washing soda solution, are alkaline in nature thus they will change the red litmus into blue. Therefore options B, C, and D are incorrect.
Hence, the correct option is A i.e. Vinegar.
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