Question Detail

CHM 101 CHM 101 Past Questions Objective Question
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Question

Which of the following is a physical change?
Options
A Burning of wood
B Digestion of food
C Evaporation of water
Correct Answer
D Souring of milk
Correct Answer

Option C is the correct answer.

Detailed Explanation

Evaporation is a phase change from liquid to gas, which does not alter the chemical composition of water (H₂O). The other options involve chemical reactions forming new substances.

Hint

Physical changes are often reversible and do not change the molecular formula.

Question Info

Course: CHM 101
Topic: CHM 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1276 of 1872
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