Which of the following is an example of a physical change?

Question

Quizplus · Accepted Answer

Grinding sucrose crystals to produce powdered sugar is an example of a physical change because only the size and form of the substance change, but its chemical composition remains the same. Option A involves a chemical reaction, where an acid-base reaction produces a gas. Option C is a complicated process where tobacco is burned, producing smoke and ash, both of which are new chemical compositions. Option D is a chemical reaction where starch, a complex carbohydrate, is broken down into glucose, a simple sugar.

Which of the Following Is an Example of a Physical