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Question
Which of the following observations is true about dilute solution of acetic acid?
(A) It smells like vinegar and turns red litmus blue
(B) It smells like onion and turns blue litmus red
(C) It smells like orange and turns red litmus blue
(D) It smells like vinegar and turns blue litmus red
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Solution
The odour of vinegar is same as that of acetic acid. Also, being an acid (though weak) it turns blue litmus to red.
The Correct Answer is D
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