Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother ?
Correct answer: D
Explanation
The question asks which is NOT used as a frother. Since A, B, and C are all known frothers, option D (All A, B. & C.) is the most likely correct answer.