Which of the following is a chemical change?*1 pointA) Ice melting into waterB) Sugar dissolving in waterC) Wood burningD) Cutting a piece of paper

Break Down the Problem

1. Identify the options provided: A, B, C, and D.
2. Understand the concept of chemical changes versus physical changes.

Relevant Concepts

• Chemical Change: Involves a transformation that alters the chemical composition of a substance. This can produce new substances with different properties.
• Physical Change: Involves a change in physical properties without altering the chemical composition.

Analyze Each Option

1. A) Ice melting into water: This is a physical change because the chemical structure of water remains unchanged.
2. B) Sugar dissolving in water: This is also a physical change. The sugar molecules dissolve, but their chemical structure remains intact.
3. C) Wood burning: This is a chemical change. The wood reacts with oxygen and undergoes combustion, resulting in new substances (ash, gases, etc.).
4. D) Cutting a piece of paper: This is a physical change. The paper remains chemically the same even after being cut.

Verify and Summarize

Among the options, only option C (Wood burning) represents a chemical change, as it involves a transformation leading to new substances being formed.

Final Answer

C) Wood burning is a chemical change.