Advertisements
Advertisements
Question
Which method is better for recovering sugar from sugar solution : evaporation or crystallisation ? Give reason
for your answer.
Advertisements
Solution
Crystallization is a better than evaporation for recovering sugar from sugar solution. During evaporation, sugar can get charred on heating. However, in crystallization, no such problem occurs and we can get pure crystals of sugar.
APPEARS IN
RELATED QUESTIONS
Define the term matter. What is it composed of?
Name the processes involved in two cases.
Differentiate between an atom and a molecule.
Write true or false for each statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
In a beam of sunlight entering a room, we can sometimes see dust particles moving in a haphazard way in the air. Why do these dust particles move?
Bromine and air take about 15 minutes to diffuse completely but bromine diffuses into a vacuum very rapidly. Why is this so?
During respiration, glucose and oxygen enter our body cells and waste products carbon dioxide and water leave the body cells by the process of :
Name a metal which is soft and a non-metal which is hard.
Classify the following into elements and compounds :
- H2O
- He
- Cl2
- CO
- Co
Classify the following into elements, compounds and mixtures :
arble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, Sea-water, Chalk
Which of the following is not an element ?
Explain what happens when a beam of light is passed through a colloidal solution.
How will you differentiate between a suspension and a colloid ?
What is meant by the concentration of a solution ?
Which technique can be used to detect and identify traces of poison present in the stomach wash of a person ?
Write a method to separate a mixture of sand and potash alum.
How would you separate iodine from a mixture of iodine and common salt ?
Atoms or groups of atoms having a charge are called ______.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
Define the term matter.
