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- 1. Multiple Choice
A ___________ is the mixture formed when solutes dissolves in a solvent.
solution
solvent
liquid
solid
- 2. Multiple Choice
A solvent is the ________________ that can dissolve solutes
solution
liquid
solid
substances
- 3. Multiple Choice
Solutes are substances that can ________________ in liquids.
form
dissolve
undissolved
mixed
- 4. Multiple Choice
Choose the correct characteristics of solution :
Homogenous
Does not allow light
Cloudy
Uniform colour
Do not leaves remnants when filtered
- 5. Multiple Choice
Choose the correct characteristics for suspension :
Transparent
Cloudy
A precipitate formed at the base
Leaves remnants when filtered
Colourless
- 6. Multiple Choice
Choose the factors affect the rate of solubility :
Temperature of solvent
Surrounding temperature
Rate of stirring
Size of solute
Thickness of solvent
- 7. Multiple Choice
The _______________ the temperature of the solvent, the lower the rate of solubility.
lower
higher
- 8. Multiple Choice
The smaller the size of solute, the _________________ the rate of solubility.
lower
higher
- 9. Multiple Choice
The _____________ the rate of stirring, the higher the rate of solubility.
slower
faster
- 10. Multiple Choice
Choose the correct methods if you want to prepare a cup of coffee in a short time.
Use cold water
Use hot water
Use crystal cube sugar
Stirring the drink faster
Use powdered sugar
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