Question

IP
ULUI.
Copper and brass vessels are cleaned
with lemon.​

Answer 1

Answer:

what is the question I can't understand this question

Answer 2

$\huge\star\mathfrak\red{{Hey Mate...!!}}$

Ans: The citric acid present in the lemon or tamarind neutralises the basis copper carbonate and dissolves the layer. That is why, tarnished copper vessels are cleaned with lemon or tamarind juice to give the surface of the copper vessel its characteristic lustre.