Advertisements
Advertisements
Question
State whether the following statement are true or false :
Salt and water can be recovered from an aqueous salt solution by the process of evaporation.
Advertisements
Solution
True. As water can undergo the process of evaporation forming vapours, which can be collected in a separate container and can be easily separated from a salt solution.
APPEARS IN
RELATED QUESTIONS
The molecules can move freely anywhere in
Write true or false for each statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
Name two processes which provide the best evidence for the motion of particles in matter.
Give reason why graphite is used for making elecrode in a dry cell.
What is the name of the clear liquid formed when a solid dissolves in a liquid ?
Which of the two will scatter light : soap solution or sugar solution ? Why ?
Choose the correct answer.
A 5 per cent sugar solution means that :
21.5 g of sodium chloride dissolves in 60 g of water at 25°C. Calculate the solubility of sodium chloride in water at that temperature.
Which of the following do not exhibit Tyndall effect ?
Starch solution, Sugar solution, Ink, Salt solution, Copper sulphate solution, Ammonium chloride solution, Fog, Smoke, Car exhausts.
What do you understand by the statement " the solubility of copper sulphate in water at 20°C is 20.7 g" ?
Write a method to separate a mixture of sand and potash alum.
How is cream separated from milk ?
What's the solution?
We need to rub salt on a corncob, but only salt crystals are available.
Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk?
Asmita went to buy an earthen pot. There she saw many things kept for sale.
What is the difference between a substance and an object?
Which among the following is not a matter?
Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions
Solid is an arrangement of particles ______.
A teabag placed in a cup of hot water will diffuse into the water.
Examples of foam are ______.
