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Mixtures

An iron nail ...

Question

An iron nail is kept in each of the following liquids. In which case would it lose its shine and appear dull?

A

Mustard oil

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B

Soft drink

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C

Coconut oil

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D

Kerosene

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Solution

The correct option is B Soft drink
Answer- b) Soft drink

An iron nail kept in a soft drink will lose its shine and appear dull because it has carbonic acid dissolved in it. Iron reacts with it and loses its shiny appearance.

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Question 1

An iron nail is kept in each of the following liquids. In which case would it lose its shine and appear dull ?

(a) Mustard oil

(b) Soft drink

(c) Coconut oil

(d) Kerosene

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