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It is easily checked by melting point of Naphthalene, if it is pure its melting point is 79 Celsius otherwise less than 79 Celsius.

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What will melt faster pure or impure naphthalene?

Impure naphthalene will typically melt faster than pure naphthalene. The impurities present in impure naphthalene lower its melting point, making it easier for the solid to convert into a liquid state at a lower temperature.


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Any chemical may be pure or impure.


How can we purified naphthalene by sublimation?

Naphthalene can be purified by sublimation due to its ability to transition directly from solid to gas without passing through a liquid phase. To perform the sublimation, heat the impure naphthalene in a controlled manner, allowing it to vaporize. The vapor then condenses on a cooler surface, typically a cold glass or metal surface, forming pure naphthalene crystals. This method effectively separates naphthalene from non-volatile impurities that do not sublimate.


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What is prefix for pure?

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Why is naphthalene a pure substance?

Naphthalene is considered a pure substance because it is a chemical compound made up of only naphthalene molecules. It has a definite and consistent chemical composition, with uniform properties throughout its structure.


what the between pure and impure water?

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What advantage does an impure mixture have over pure substance?

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What is the prefix of pure?

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