Question Detail

CHM 101 CHM 101 Past Questions Objective Question
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Question

Which of the following is a chemical change?
Options
A Melting of ice
B Dissolving sugar in water
C Rusting of iron
Correct Answer
D Boiling of water
Correct Answer

Option C is the correct answer.

Detailed Explanation

Rusting of iron is a chemical change because it forms a new substance (iron oxide). The other options are physical changes as they only change the state or form, not the chemical identity.

Hint

Look for the formation of a new substance with different properties.

Question Info

Course: CHM 101
Topic: CHM 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1275 of 1872
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