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Questions and Answers
What property is NOT useful for separating seed mixtures by hand?
What property is NOT useful for separating seed mixtures by hand?
- Shape
- Color
- Taste (correct)
- Size
In the filtration process, which material is commonly used to separate solid particles from liquids?
In the filtration process, which material is commonly used to separate solid particles from liquids?
- Water
- Plastic
- Sand
- Cloth (correct)
Which method would be most effective for separating mixed solids based on size?
Which method would be most effective for separating mixed solids based on size?
- Dissolving
- Picking
- Filtering
- Sieving (correct)
What is the main purpose of using a sieve during the separation process?
What is the main purpose of using a sieve during the separation process?
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Which method would NOT be suitable for separating a mixture of small solid particles and liquid?
Which method would NOT be suitable for separating a mixture of small solid particles and liquid?
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Study Notes
Separating Mixtures by Hand
- Mixtures like seeds can be separated manually through techniques such as picking.
- Properties aiding separation include color and size of particles.
- Example seeds include atis, squash, mung beans, and corn.
Filtration
- Filtration separates small solid particles from liquids.
- Involves pouring a mixture through filtering materials (e.g., cloth, filter paper).
- The filtering material captures solid particles while allowing liquid (e.g., water) to flow through.
Sieving
- Sieving separates solids based on size or large particle-liquid mixtures.
- Utilizes tools like sieves or strainers to sort materials.
- Larger solid particles are retained in the sieve, while smaller particles or liquids pass through.
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