Advertisements
Advertisements
Question
The best way to recover sugar from an aqueous sugar solution is :
Options
evaporation to dryness
distillation
filtration
crystallisation
Solution
crystallisation
Crystallisation is a better technique to recover sugar from sugar solution because sugar decomposes or gets charred on heating. Also, the soluble impurities get removed by crystallisation.
APPEARS IN
RELATED QUESTIONS
Fill in the blank
Liquids have a definite ______
Name the property which enables metals to be drawn into wires.
Fill in the following blanks with suitable words :
The elements which are sonorous are called ..........................
Give reason why graphite is used for making elecrode in a dry cell.
State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.
Classify the following into metals, non-metals and metalloids:
Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium
Which of the following does not have a fixed melting point/boiling point ?
State whether the following statement is true or false :
Bread is an example of solid foam.
Explain what happens when a beam of light is passed through a colloidal solution.
Classify the following into solutions, suspensions and colloids :
Soda-water, Milk, Brine, Blood, Ink, Smoke in air, Chalk water mixture, Milk of Magnesia, Shaving cream, Muddy river water.
Define the Emulsion Give one example.
One of the following represents the solution of solid in a solid. This one is :
Name the process by which the various gases of the air are separated.
Name the process which is used in milk dairies to separate cream from milk.
Name the process by which common salt is obtained from sea-water.
One of the following does not undergo sublimation. This one is :
Complete the given analogy.
Murukku from hot oil: ______:: Coffee powder residue from decoction: ______
Boiling refers to the process by which a substance changes from the liquid to the gaseous state at its ______ point.
Define the term matter.
Define the term matter.
