Question

b. Copper and brass vessels are cleaned
with lemon.give reason​

Answer 1

Answer:

lemon contains acid which is used to clean metals in industry so it will be affective using lemon ....

Explanation:

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Answer 2

Explanation:

metals like copper and brass gathers a copper oxide layer on the upper surface. Lemon is considered to be very highly acidic in nature, as compared to copper. So the lemon juice cleans and gives the vessels dark colour.