Find a word that is the synonym of -
Mercurial
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. volatile.
1. interchangeable-(of two things) able to be interchanged.
2. predictable-able to be predicted.
3. permanent-lasting or intended to last or remain unchanged indefinitely.
4. volatile-(of a substance) easily evaporated at normal temperatures.
As the chosen option best expresses the meaning of the given word it will be correct.