Homogeneous Mixture
Trending Questions
Q. what is the the difference between the physical state liquid(l) and aqueous(aq).
Q. does a change in source bring change in properties of a substance?
Q.
Name the mixture in which the composition is uniform and every part of the mixture has the same properties.
Heterogeneous mixture
Homogeneous mixture
Pure mixture
Colloidal solutions
Q. An alloy is an example of a/an ______.
- element
- mixture
- compound
- metalloid
Q. Chemically rust is:
- hydrated ferrous oxide.
- hydrated ferric oxide.
- only ferric oxide.
- none of these.
Q. The layer paper chromatograpy is performed on an unknown substance. Three solvents were tested, and the corresponding Rf factors were measured: 1−propanol, Rf=1.15;hexane, Rf=0.32; acetonitrile, Rf=1.74.
Which of the solvents would best separate the unknown substance with an Rf=1.69 from a known substance with an Rf=1.53?
Which of the solvents would best separate the unknown substance with an Rf=1.69 from a known substance with an Rf=1.53?
- A mixture of the 1−propanol or acetonitrile would work equally effectively at separating the unknown substance from the known substance.
- The acetonitrile would allow for the most solute-solvent interaction with the unknown without any interference from the known substance.
- The hexane would allow the unknown to completely separate from the known substance.
- The 1−propanol would allow the unknown to completely separate from the known substance.
Q. Choose the mixtures:
- Air
- Lemonade
- Pure water
- Paint
- Gold
- Milk
- Soap-water
- Perfume
Q. Choose the mixtures:
- Gold
- Perfume
- Soap-water
- Paint
- Air
- Pure water
- Lemonade
- Milk