Science第 71 / 120 题
A scientist records that a substance boils at 100°C at sea level. Boiling point is an example of a—
a.chemical change
b.living factor
c.physical property
d.chemical formula
解析
Boiling point is a physical property because it can be measured without changing the substance's identity. A chemical change would produce a new substance. Physical properties include color, density, and melting point.
免费刷完整 120 道题库 — 无需注册。
同考点相关题目
- What is the chemical formula for water?
- In a food chain, organisms that make their own food using sunlight are called—
- Which gas do humans need to breathe in to survive?
- Which of the following best describes the function of the heart?
- What force pulls objects toward the center of the Earth?
- A trait passed from parents to offspring through genes is called—