The physical properties are those properties of a substance that can be observed with changing the substance into other substances.
举一反三
- The physical properties are those properties of a substance that can be observed with changing the substance into other substances. A: 正确 B: 错误
- A pure substance always has the same physical and chemical properties and is either an element or a compound.。（ ）
- Physical properties are those properties which are in the material and cannot be permanently altered without changing the material itself.
- Which of the following () may not be interested in science and technology A: The substance facing a resource shortage B: The substance with an increasing uses C: The substance whose anthropogenic flow is closely related to other substances D: None of the above
- 3. It's not a pure substance, () it is made of different substances.