Science第 117 / 120 题
Which of the following is a chemical change rather than a physical change?
a.Iron rusting
b.Ice melting
c.Water boiling
d.Chopping wood
解析
A chemical change produces a new substance with different properties. Iron rusting forms iron oxide, whereas melting, boiling, and chopping only change form.
免费刷完整 120 道题库 — 无需注册。
同考点相关题目
- What process do plants use to convert sunlight into chemical energy?
- Which organ filters waste from the blood and produces urine?
- What is the control center of the nervous system?
- Which macromolecule is made of amino acids and builds body tissues?
- How many chambers does the human heart have?
- Which particle in an atom carries a negative electric charge?