The physical properties are those properties of a substance that can be observed with changing the substance into other substances.
举一反三
- 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.
- Regarding the magnetism of the complex, the following statement is<br/>incorrect: ( ). A: The magnetism of complexes is one of the important properties of<br/>complexes B: If all substances are placed separately in a magnetic field, they can<br/>be divided into two groups according to their influence by the<br/>magnetic field: diamagnetic, paramagnetic, and ferromagnetic C: Ferromagnetism is a substance, which is strongly attracted by a<br/>magnetic field D: Most of substances are paramagnetic