Separating Mixtures through Filtering and Sieving

1. 1. Which technique separates solid particles of different sizes?

• A. Filtering

• B. Sieving

• C. Decantation

• D. Evaporation

2. 2. What tool is usually used when filtering a mixture?

• 2. A. Spoon

• 2. B. Filter paper

• 2. C. Strainer

• 2. D. Magnet

3. 3. Which pair of mixtures is best separated by sieving?

• 3. A. Water and oil

• 3. B. Sand and gravel

• 3. C. Salt and water

• 3. D. Rice and water

4. 4. What is left behind in the filter paper after filtering?

• 4. A. Filtrate

• 4. B. Solvent

• 4. C. Solution

• 4. D. Residue

5. 5. What is the liquid that passes through the filter paper called?
   

• 5. A. Residue

• 5. B. Solute

• 5. C. Filtrate

• 5. D. Sediment

6. 6. Which method is best for separating sand from water?

• 6. A. Sieving

• 6. B. Filtering

• 6. C. Using a magnet

• 6. D. Decantation

7. 7. Sieving is useful when the components of a mixture are:

• 7. A. Same size

• 7. B. In liquid form

• 7. C. Of different sizes

• 7. D. Dissolved completely

8. 8. Which of the following is NOT an example of filtering?

• 8. A. Removing tea leaves from tea using a strainer

• 8. B. Using a coffee filter

• 8. C. Separating rice grains from flour using a sieve

• 8. D. Filtering sand from muddy water

9. 9. Which household item can act as a sieve?

• 9. A. Spoon

• 9. B. Cheesecloth

• 9. C. Strainer

• 9. D. Plate

10. 10. Filtering and sieving are examples of what type of process?

• 10. A. Chemical reaction

• 10. B. Separation techniques

• 10. C. Heating methods

• 10. D. Mixture combination