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What could you say about a substance if it did not turn blue-black with iodine?
While presence of starch is indicated by the bluish-black color change of a substance with the introduction of Iodine, it doesn't necessarily mean the absence of starch is the substance doesn't become blue or black in color. If a substance doesn't become blue or black in color on the application of iodine, it means the substance doesn't form any complex with Iodine. Generally, when a substance creates a complex with Iodine, it is in blue color.
How can physical properties be used to identify substance?
Every substance has certain properties that show things about them, such as odor, taste, malleability, hardness, color, state at room temperature, and melting/boiling point. If you know the color of a substance, it is far easier to determine what that substance is, and if you know the color and the boiling point, your choices are limited even further. Using the physical properties of a substance, you can identify the substance based off of its unique properties or combinations of properties.
What causes a substance that gives color to something?
A substance gives color to something by selectively absorbing and reflecting certain wavelengths of light. This absorption and reflection of light by the substance's molecules result in the perception of color. The specific chemical structure of the substance determines which colors will be absorbed and reflected.
What are the two physical properties that can help you identify a substance?
Color, freezing point, or even texture if the substance is solid.
Is color an extensive or intensive physical property?
no,color is an INTENSIVE PROPERTY of matter. intensive properties includes: *solubility *hardness *electrical conductivity *odor *luster *color *malleability *ductility an extensive property is something that depends on the amount of the substance you are measuring. an example would be mass An intensive quantity does not depend on the amount of the substance. Ex: density Also since the color of a substance does not change if i take 1g or 100 g of a substance the color is an intensive property.
Is the color of a substance a physical substance?
Mostly, it's a chemical substance.
What is the ability of a substance to dissove in to another substance?
color.
Is color a chemical propertyof a substance?
No, color is a physical property, because it can be observed without changing the substance.
Witch element is likely to be contained in a substance with a yellow color?
Chromium is a likeley element to be contained in a substance with a brilliant yellow color.
What substance changes color when exposed to an acid or base?
An indicator is a substance that changes color when exposed to an acid or base.
Which element is likely to be contained in a substance with a brilliant yellow color?
A common substance that will have a yellow color is the element sulfur (S). Another substance of similar brilliant color is yellow cake uranium (Ur).
What color of a substance is an example of a .?
Color is an example of a physical property.
What color of a substance is an example of what?
Color is an example of a physical property.
What is the color of marigold flower indicator when acidic substance is added to it?
When an acidic substance is added to marigold flower indicator, the color generally turns red or pink. This color change indicates the presence of acidity in the substance being tested.
What is an example of color?
An example of color change is when a substance turns a differen color from a reaction.
What is the term for pigment or color substance that gives skin its color?
melanin
Is color a characteristic property of a substance?
Yes, color is a characteristic property of a substance, as it can help identify and distinguish one substance from another. Each substance has a unique set of wavelengths of light that it absorbs and reflects, which determines its color.
