Interpretation: The option that does not represent a chemical change should be identified.

Concept Introduction: In a chemical change, the chemical bonds present in reactants are broken to form elements that are then rearranged to form new chemical bonds resulting in the formation of products that possess different compositions than the reactants.

Expert Solution & Answer

Answer to Problem 1STP

Correct answer: Paper being shredded.

Explanation of Solution

Reason for correct option:

During shredding a paper, only the appearance of the paper changes, and the chemical composition of the paper does not change. Since the chemical composition of paper remains the same, it is not a chemical change. Instead, it is a physical change.

Conclusion

Reasons for incorrect options:

Steel rusting, charcoal burning, and a newspaper yellowing in the sun are examples of chemical change as the chemical compositions are different from the initial substance and reactants. A completely new matter is obtained after steel rusting, charcoal burning, and a newspaper yellowing in the sun.

Chapter 2, Problem 95A

Chapter 2, Problem 2STP

Chapter 2 Solutions

Chemistry 2012 Student Edition (hard Cover) Grade 11

Ch. 2.1 - Prob. 1LC Ch. 2.1 - Prob. 2LC Ch. 2.1 - Prob. 3LC Ch. 2.1 - Prob. 4LC Ch. 2.1 - Prob. 5LC Ch. 2.1 - Prob. 6LC Ch. 2.1 - Prob. 7LC Ch. 2.1 - Prob. 8LC Ch. 2.1 - Prob. 9LC Ch. 2.1 - Prob. 10SP

Ch. 2.1 - Prob. 11SP Ch. 2.2 - Prob. 12LC Ch. 2.2 - Prob. 13LC Ch. 2.2 - Prob. 14LC Ch. 2.2 - Prob. 15LC Ch. 2.2 - Prob. 16LC Ch. 2.2 - Prob. 17LC Ch. 2.2 - Prob. 18LC Ch. 2.2 - Prob. 19LC Ch. 2.3 - Prob. 20SP Ch. 2.3 - Prob. 21SP Ch. 2.3 - Prob. 22LC Ch. 2.3 - Prob. 23LC Ch. 2.3 - Prob. 24LC Ch. 2.3 - Prob. 25LC Ch. 2.3 - Prob. 26LC Ch. 2.3 - Prob. 27LC Ch. 2.3 - Prob. 28LC Ch. 2.3 - Prob. 29LC Ch. 2.3 - Prob. 30LC Ch. 2.3 - Prob. 31LC Ch. 2.4 - Prob. 32LC Ch. 2.4 - Prob. 33LC Ch. 2.4 - Prob. 34LC Ch. 2.4 - Prob. 35LC Ch. 2.4 - Prob. 36LC Ch. 2.4 - Prob. 37LC Ch. 2.4 - Prob. 38LC Ch. 2 - Prob. 39A Ch. 2 - Prob. 40A Ch. 2 - Prob. 41A Ch. 2 - Prob. 42A Ch. 2 - Prob. 43A Ch. 2 - Prob. 44A Ch. 2 - Prob. 45A Ch. 2 - Prob. 46A Ch. 2 - Prob. 47A Ch. 2 - Prob. 48A Ch. 2 - Prob. 49A Ch. 2 - Prob. 50A Ch. 2 - Prob. 51A Ch. 2 - Prob. 52A Ch. 2 - Prob. 53A Ch. 2 - Prob. 54A Ch. 2 - Prob. 55A Ch. 2 - Prob. 56A Ch. 2 - Prob. 57A Ch. 2 - Prob. 58A Ch. 2 - Prob. 59A Ch. 2 - Prob. 60A Ch. 2 - Prob. 61A Ch. 2 - Prob. 62A Ch. 2 - Prob. 63A Ch. 2 - Prob. 64A Ch. 2 - Prob. 65A Ch. 2 - Prob. 66A Ch. 2 - Prob. 67A Ch. 2 - Prob. 68A Ch. 2 - Prob. 69A Ch. 2 - Prob. 70A Ch. 2 - Prob. 71A Ch. 2 - Prob. 72A Ch. 2 - Prob. 73A Ch. 2 - Prob. 74A Ch. 2 - Prob. 75A Ch. 2 - Prob. 76A Ch. 2 - Prob. 77A Ch. 2 - Prob. 78A Ch. 2 - Prob. 79A Ch. 2 - Prob. 80A Ch. 2 - Prob. 81A Ch. 2 - Prob. 82A Ch. 2 - Prob. 83A Ch. 2 - Prob. 84A Ch. 2 - Prob. 85A Ch. 2 - Prob. 86A Ch. 2 - Prob. 87A Ch. 2 - Prob. 88A Ch. 2 - Prob. 89A Ch. 2 - Prob. 90A Ch. 2 - Prob. 93A Ch. 2 - Prob. 94A Ch. 2 - Prob. 95A Ch. 2 - Prob. 1STP Ch. 2 - Prob. 2STP Ch. 2 - Prob. 3STP Ch. 2 - Prob. 4STP Ch. 2 - Prob. 5STP Ch. 2 - Prob. 6STP Ch. 2 - Prob. 7STP Ch. 2 - Prob. 8STP Ch. 2 - Prob. 9STP Ch. 2 - Prob. 10STP Ch. 2 - Prob. 11STP Ch. 2 - Prob. 12STP Ch. 2 - Prob. 13STP Ch. 2 - Prob. 14STP

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