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Lactose reduces copper salt to?

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in Dairy Engineering by (789k points)
Lactose reduces copper salt to?

(a) Cupric Oxide

(b) Cuprous Oxide

(c) Copper Oxide

(d) Cupric dioxide

I got this question in an online interview.

My doubt is from Testing Milk for Quality topic in section Collection and Reception of Milk of Dairy Engineering

1 Answer

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Best answer
The correct choice is (b) Cuprous Oxide

Best explanation: Lactose is the primary milk carbohydrate. It reduces copper salt to cuprous oxide.

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