Methyl orange turns red in:
Acid only
Methyl orange is an acid-base indicator.
It is red in acidic solution and yellow in basic solution.
So it turns red only in acids; in a base it turns yellow and in a neutral solution it stays orange.
Hence, the answer is acid only.
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Important Questions from Basic Concepts of Chemistry
- Which law states that a compound always contains the same elements in the same proportion by mass?
- Which of the following is NOT applicable to the Law of Constant Proportion?
- Which of the following best differentiates a mixture from a compound?
- Which of the following is an element?
- Which of the following best defines a heterogeneous mixture?
