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Substances are classified based on their resistivity as conductors, insulators, or semiconductors. Conductors have low resistivity and easily allow the flow of electric current. Insulators have high resistivity and inhibit the flow of electric current. Semiconductors have resistivity values between conductors and insulators, making them suitable for controlling the flow of current in electronic devices.
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What can pure substances be classified as?
Pure substances are divided into elements and compounds.
How does gas chromatography separate substances?
On the basis of their solubility in particular substances.
Why are substances classified?
Substances are classified to organize and provide information about their properties, hazards, and uses. This classification helps ensure proper handling, storage, transportation, and disposal of substances to protect human health and the environment.
What are X rays ultraviolet light and radioactive substances classified as?
mutagens
Why are the substances on the periodic table classified as elements?
Substances on the periodic table are classified as elements because they are pure substances made up of only one type of atom. Each element has a unique chemical structure and properties that distinguish it from other elements.
How are materials classified on the basis of resistivity?
Materials can be classified based on their resistivity as conductors, semiconductors, or insulators. Conductors have low resistivity, allowing electric current to flow easily. Semiconductors have resistivity in between conductors and insulators, and their conductivity can be controlled. Insulators have high resistivity and do not allow electric current to flow easily.
What is the basis for the classification of clouds?
Clouds are classified on the basis of their form and height.
Matter is Classified as mixtures and?
Matter is classified as mixtures and substances. Mixtures are composed of two or more different substances that are physically combined, while substances are pure forms of matter that cannot be separated by physical means. Substances are further divided into elements and compounds.
What can pure substances be classified as?
Pure substances are divided into elements and compounds.
Is a compound a classified substances?
yes
How can substances be classified according to how light behaves when light encounters these substances?
They can be classified by 3 types. Reflection, refraction, and i forgot the last
How does gas chromatography separate substances?
On the basis of their solubility in particular substances.
Does every different conducting substance have a unique resistivity?
Please note that resistivity also depends on temperature.In the most general case, the answer is definitely NO; all superconductors have the same resistivity, namely zero. Other than superconductors, take a look at a table with some typical resistivity values. It would seem quite obvious that for a given temperature: * Two different substances will, in general, have different resistivities. * In practice, in some cases the difference in resistivity might be too small to reliably measure. * It should be possible to find two substances that have the same resistivity at a very specific temperature - since the temperature-dependence will vary from one material to another. * Likewise, it should be possible to design a mix of two substances, which exactly matches that of another, given, substance.
Why are substances classified?
Substances are classified to organize and provide information about their properties, hazards, and uses. This classification helps ensure proper handling, storage, transportation, and disposal of substances to protect human health and the environment.
What are substances that readily ignite and burn classified?
flammable
Which groups of materials are not classified as synthetic?
The are the natural substances.
What are semi conducting substances?
Those which have resistivity in between conductors and insulators are known as semi conductors. Germanium and Silicon are very good examples of semiconducting materials whose resistivity of the order of 10 -2 to 10 4 ohm meter.
