The Amazing World of Solutes, Solvents, and Solutions
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Components of a Solution
SubtopicComponents of a Solution under The Amazing World of Solutes, Solvents, and Solutions for Grade 6 CBSE.
Preview questions (no answers)
- 1.
In a laboratory, if a scientist mixes of salt into of water, what is the of water called?
A.The solute
B.The solvent
C.The concentrate
D.The residue
- 2.
When you mix a packet of instant soup powder into hot water, the powder is the:
A.Solute
B.Solvent
C.Saturated solution
D.Pure liquid
- 3.
Which of these describes a solution?
A.A mixture where you can see the different parts
B.A uniform mixture of solute and solvent
C.A substance that does not mix with water
D.A solid that floats on water
- 4.
Identify the solute in a glass of lemon-flavored water made with lemon juice concentrate and plain water.
A.Water
B.Lemon juice concentrate
C.The glass
D.The air above the water
- 5.
Which statement correctly describes the relationship in a solution?
A.Solute + Solvent = Solution
B.Solute + Solution = Solvent
C.Solvent - Solute = Solution
D.Solution + Solvent = Solute
- 6.
In a laboratory, a scientist dissolves a solid chemical in alcohol. In this case, alcohol is the:
A.Solute
B.Solvent
C.Solution
D.Precipitate
- 7.
Which of these is a solution of a liquid in another liquid?
A.Milk and Cornflakes
B.Vinegar and Water
C.Sand and Water
D.Salt and Water
- 8.
If you have 100 ml of a saturated sugar solution at room temperature, which of the following actions would allow you to dissolve an additional 10 grams of sugar?
A.Vigorously shaking the container for 5 minutes.
B.Heating the solution to a higher temperature.
C.Transferring the solution to a larger container.
D.Filtering the solution through a fine cloth.
- 9.
What happens to the concentration of a salt solution if you add more salt and it all dissolves?
A.The concentration increases.
B.The concentration decreases.
C.The concentration stays the same.
D.The solution becomes a solvent.
- 10.
In the 'dissolving' process, what happens to the solute particles?
A.They break down into atoms and disappear.
B.They are separated by solvent molecules and spread throughout the liquid.
C.They sink to the bottom and wait for the solvent to cool down.
D.They react with the solvent to form a new solid substance.
Download the worksheet for The Amazing World of Solutes, Solvents, and Solutions - Components of a Solution to practice offline. It includes additional chapter-level practice questions.
Saturated and Unsaturated Solutions
SubtopicSaturated and Unsaturated Solutions under The Amazing World of Solutes, Solvents, and Solutions for Grade 6 CBSE.
Preview questions (no answers)
- 1.
Which of the following is a homogeneous mixture?
A.Salt and water solution
B.Sand and water mixture
C.Oil and water mixture
D.Chalk and water mixture
- 2.
Which of these will dissolve fastest?
A.Sugar in ice-cold water
B.Sugar in water at room temperature
C.Sugar in hot water
D.Sugar in cold milk
- 3.
The substance that is dissolved in a solvent is called the:
A.Solute
B.Solution
C.Liquid
D.Mixture
- 4.
Which of these processes describes the formation of a solution?
A.Mixing sand and pebbles
B.Dissolving sugar in water
C.Melting ice into water
D.Boiling water to steam
- 5.
At a specific temperature, the maximum amount of a certain substance that can dissolve in a fixed volume of water is . Based on the information provided in the diagram, which beaker contains an unsaturated solution?
A.Beaker X only
B.Beaker Y only
C.Beaker Z only
D.Beaker X and Beaker Z
- 6.
In a science lab, a student finds that of salt is the maximum amount that can dissolve in of water at room temperature. If the student then prepares a different mixture by adding of salt into of water at the same temperature, what will be the status of the resulting solution?
A.It will be an unsaturated solution
B.It will be a saturated solution
C.It will be a mixture where of salt settles at the bottom
D.It will be a solution that can dissolve more salt
- 7.
A solution that contains a very small amount of solute compared to the solvent is called a:
A.Saturated solution
B.Concentrated solution
C.Dilute solution
D.Thick solution
- 8.
Why does adding more salt to a saturated salt solution not make the water saltier?
A.The water has run out of space to hold more salt particles
B.The salt loses its flavor once the solution is saturated
C.The extra salt turns into water immediately
D.The extra salt is repelled by the water molecules
- 9.
If of a solute makes of water saturated, what is the total mass of the resulting saturated solution?
A.100g
B.20g
C.120g
D.80g
- 10.
Which of the following statements about saturation is FALSE?
A.Saturation depends on the amount of solvent
B.Saturation depends on the temperature of the solvent
C.Saturation can be reached faster by using smaller solute crystals
D.A saturated solution can always dissolve more of the same solute if stirred faster
Download the worksheet for The Amazing World of Solutes, Solvents, and Solutions - Saturated and Unsaturated Solutions to practice offline. It includes additional chapter-level practice questions.
Effect of Temperature on Solubility
SubtopicEffect of Temperature on Solubility under The Amazing World of Solutes, Solvents, and Solutions for Grade 6 CBSE.
Preview questions (no answers)
- 1.
Which of these is NOT a characteristic of a solution?
A.The solute is distributed uniformly
B.The solute can be seen with the naked eye after dissolving
C.The solute does not settle down over time
D.It is a homogeneous mixture
- 2.
In a mixture of and salt, if the salt is the solute, what is the ?
A.The Solution
B.The Solvent
C.The Solid
D.The Insoluble part
- 3.
To dissolve 50g of salt in 100ml of water quickly, you should use water at:
A.B.C.D. - 4.
Which of the following is true about a saturated solution?
A.It can dissolve any amount of solute
B.It cannot dissolve any more solute at that temperature
C.It contains no solvent
D.It is always blue in color
- 5.
When preparing a solution, if we heat the solvent, the solubility of most solids increases. This is because heat provides:
A.More mass to the solvent
B.More energy to the solvent molecules to move and create gaps
C.More color to the solution
D.More air to the beaker
- 6.
If you take a saturated sugar solution at and put it in a freezer for 10 minutes, what would you most likely see?
A.The solution turns into a gas
B.No change in the solution
C.Sugar crystals forming at the bottom or sides
D.The volume of the solution decreasing by half
- 7.
In a lab, a student wants to see the effect of temperature on solubility. Which variable should they keep constant?
A.The temperature of the solvent
B.The amount of solute that dissolves
C.The volume of the solvent
D.The time taken to heat the water
- 8.
If a saturated solution at a high temperature is cooled and no crystals form immediately, it is sometimes called 'supersaturated.' What will happen if a single tiny crystal of the solute is then dropped into this solution?
A.The tiny crystal will dissolve.
B.Nothing will happen.
C.The excess dissolved solute will suddenly crystallize around the tiny crystal.
D.The solution will boil.
- 9.
Which factor has the most significant impact on the solubility of most solid solutes in liquid solvents?
A.The color of the solvent.
B.The shape of the beaker.
C.The temperature of the solvent.
D.The amount of light in the room.
- 10.
A student adds g of salt to mL of water at C and it dissolves. He adds another g and it dissolves. He adds a third g and it does not dissolve. What is the most effective way to make that third g dissolve?
A.Shake the beaker for an hour.
B.Heat the beaker.
C.Add more salt.
D.Cool the beaker in a fridge.
Download the worksheet for The Amazing World of Solutes, Solvents, and Solutions - Effect of Temperature on Solubility to practice offline. It includes additional chapter-level practice questions.