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Class 10 Science Medium Mcq English Medium

The conditions necessary for iron to rust are the presence of

Question
The conditions necessary for iron to rust are the presence of
Darkness and heat
Both air (oxygen) and water/moisture
Only oxygen, with no water needed
Only water, with no oxygen needed
Answer
Both air (oxygen) and water/moisture
Detailed Explanation
Rusting of iron requires the presence of both air (oxygen) and water/moisture together.
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