Lye peeling is done in peach through the

Correct option is A

NaOH (Sodium hydroxide) is used for lye peeling in peaches. This process involves immersing peaches in a hot sodium hydroxide solution, which softens and loosens the outer skin, making it easy to remove. This method is widely used in the food processing industry to maintain the texture and quality of the peeled fruit.
Explanation of other options:
(b) KH₂PO₄: It is the chemical formula for potassium dihydrogen phosphate, also known as monobasic potassium phosphate or monopotassium phosphate. It is an inorganic compound that is used as a fertilizer, food additive, and buffering agent.
(c) Ethylene: A ripening agent, not used in the peeling process.
(d) NaCl: Common salt, not suitable for peeling fruits.