Advertisements
Advertisements
Question
How would you separate a mixture of sugar and salt?
Advertisements
Solution
We will separate a mixture of sugar and salt by filtration followed by evaporation. In this process, solvent used is alcohol instead of water because of the difference in solubility of salt and sugar in alcohol. Salt is insoluble in alcohol but sugar is soluble in it. The undissolved salt can be obtained by filtration.
The filtrate now has only sugar dissolved in alcohol. On heating, alcohol evaporates and sugar is left behind.
APPEARS IN
RELATED QUESTIONS
‘‘The properties of the product are different from those of the constituents''. State whether this statement best describes an element, a compound or a mixture.
Compare the properties of metals and non-metals with respect to
- alleability
- ductility
- electrical conductivity.
Is air a mixture or a compound ? Give three reasons for your answer.
Define the following:
Homogeneous mixture
Name the components present in the following mixture:
Brass
Define Immiscible liquids
Fill in the blanks
_____or ___________ is a process to separate solids dissolved in liquids.
Fill in the blanks
___________is a process to obtain a very pure form of a solid dissolved in a liquid.
State whether the following statement is true or false. If false write – the correct statement.
Heterogeneous mixtures have different composition and properties throughout the mixture.
Give an example for mixture and justify your answer with reason.
