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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.
Does impure and pure chemicals melt at the same temperature?
No, impure chemicals do not melt at the same temperature as pure chemicals. Impurities can disrupt the crystal lattice structure of a substance, causing the melting point to decrease or broaden. This results in impure substances melting at lower temperatures compared to their pure counterparts.
Experiment for pure and impure naphthalene?
For a simple experiment to distinguish between pure and impure naphthalene, you can try sublimation. Place a small amount of naphthalene in a test tube and heat it gently. If the naphthalene sublimes (converts from solid to gas without melting), leaving no residue, it is likely pure. However, if there is residue left behind, it suggests the naphthalene is impure.
How is the melting of an impure compound expected to change with recrystallization?
During recrystallization, impurities are removed as the compound is dissolved and then slowly cooled to allow for the formation of pure crystals. As a result, the melting point of the compound should increase after recrystallization because the presence of impurities lowers the melting point of the compound.
How will you obtain pure salt from its impure sample?
To obtain pure salt from an impure sample, you can use the process of recrystallization. First, dissolve the impure salt in a suitable solvent, such as water, at an elevated temperature. Upon cooling the solution, pure salt will crystallize out while impurities remain dissolved. Finally, filter the solution to separate the crystals from the impurities, and then dry the crystals to obtain pure salt.
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.
Is pure and impure a chemical?
Any chemical may be pure or impure.
Does impure and pure chemicals melt at the same temperature?
No, impure chemicals do not melt at the same temperature as pure chemicals. Impurities can disrupt the crystal lattice structure of a substance, causing the melting point to decrease or broaden. This results in impure substances melting at lower temperatures compared to their pure counterparts.
Is rock pure or impure?
pure
What is prefix for pure?
impure
what the between pure and impure water?
Pure water does not contain colour but impure water contains Other compounds.
What advantage does an impure mixture have over pure substance?
Generally an impure material is cheaper than a pure material; the word advantage is not so adequate here - can use pure or impure, this depends on the specific applications.
What is the prefix pure?
The suitable prefix for pure is pure it won't make sense of you put another set of words in front of pure it just would not make
Experiment for pure and impure naphthalene?
For a simple experiment to distinguish between pure and impure naphthalene, you can try sublimation. Place a small amount of naphthalene in a test tube and heat it gently. If the naphthalene sublimes (converts from solid to gas without melting), leaving no residue, it is likely pure. However, if there is residue left behind, it suggests the naphthalene is impure.
Who has higher melting point Pure or Impure Substance?
A pure substance typically has a higher melting point than an impure substance. Impurities disrupt the regular arrangement of particles in the substance, making it more difficult for them to overcome the intermolecular forces and transition from solid to liquid state. This results in a lower melting point for impure substances.
What is the prefix of pure?
impure
Is dirt pure or impure substances?
mixture
