Question
Easy
Which of the following statements regarding rusting of iron are true ? (a) It involves a chemical reaction between iron and oxygen. (b) It is an exothermic reaction. (c) It can take place at room temperature. (d) It is reversible reaction.
1
(a), (b), (d)
2
(b) and (c)
3
(a) and (d)
4
(a), (b) and (c)
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: Is Matter Around Us Pure?
Topic: Physical & Chemical Changes
Correct Answer
Option D
Explanation
Option 4, which includes statements (a), (b), and (c), is the correct answer regarding the rusting of iron. Let's explore why each statement in this option is true and why the other options are incorrect. 1. Statement (a): It involves a chemical reaction between iron and oxygen. - This statement is true. Rusting is a chemical process where iron reacts with oxygen in the presence of moisture to form iron…Read More
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