Advertisements
Advertisements
प्रश्न
How would you separate a mixture of sugar and salt?
उत्तर
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
संबंधित प्रश्न
Compare the properties of metals and non-metals with respect to
- alleability
- ductility
- electrical conductivity.
Which of the following can be separated by using a separating funnel and which cannot be separated by using a separating funnel ?
- water and kerosene mixture
- water and acetone mixture
Give reasons for your answer.
The constituents of a mixture are present in a fixed ration.
Name the components present in the following mixture:
Tap water
Fill in the blanks
The substances that make a mixture are called its ______or_________.
Fill in the blanks
_____or ___________ is a process to separate solids dissolved in liquids.
Tick (√) the correct alternative from the choice given for the following statement:
Example of a homogeneous mixture is
Milk is a ______.
Suggest separation technique(s) one would need to employ to separate the following mixture.
Common salt, water and sand
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.