GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Iron reacts with oxygen to form iron oxide (rust). Which of the following is the correct word equation?
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iron oxide
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Iron + oxygen
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Iron-
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Iron oxide-
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Explanation:
Detailed explanation-1: -Note:This type of reaction is known as redox reaction.
Detailed explanation-2: -Rusting: When iron comes into contact with oxygen and water, ferric oxide, sometimes known as rust, forms.
Detailed explanation-3: -Rust is a result of chemical reaction where iron gets oxidized in presence of oxygen and moisture to form iron oxide. The chemical reaction for rusting is: 4Fe + 3O2 → 2Fe2O3.
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