Is the given material comes under the category of "pure substance" or not? - wood.
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Wood is not a pure substance it is a mixture
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◆ Answer -
No. Wood is not a pure substance.
● Explanation -
- Material of wood doesn't have fixed chemical composition.
- Also it's properties are not constant.
- Hence, wood is not a pure substance.
● Pure substance -
- Pure substance is a substance having constant chemical composition and characteristic properties.
- They are formed by single type of entity (atom or molecule or compound).
- For example, ice, iron, calcium oxide, water, table salt, mercury, hydrogen chloride, silver, aluminum hydroxide, etc.
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