SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In which of the following process a chemical reaction has taken place?
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Ice melts into water
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A wet shirt got dried in sunlight
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A brown layer is formed over iron rod kept in air
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sugar getting dissolved in water
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Explanation:
Detailed explanation-1: -When an iron rod is exposed to air, a brown film forms on top of it owing to corrosion.
Detailed explanation-2: -It is the formation of metal oxide when exposed to moist air. Corrosion occurs in the presence of moisture. For example, when iron is exposed to moist air, it reacts with oxygen to form rust.
Detailed explanation-3: -Corrosion of iron is redox reaction.
There is 1 question to complete.