A mixture can be categorised as a solution, a suspension, or a colloid. Class 9
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A mixture can be categorised as a solution, a suspension, or a colloid. Class 9
Question 1.
A mixture can be categorised as a solution, a suspension, or a colloid, each possessing distinct properties. Utilise the words or phrases provided in the box to fill in the Table 5.2. Words and phrases may be used more than once.
Words and Phrases
Large-sized particles; Particles remain evenly distributed; Small-sized particles (less than 1 nm diameter); Moderate-sized particles (1 - 1000 nm); Settles down when left undisturbed (more than 1000 nm in diameter); Does not settle down; Scatters light; Separates by filtration; Transparent; Salt solution; Milk; Sand in water; Smoke; Heterogeneous mixture; Cannot be separated by filtration; Mud; Butter; Brass.
Complete the table:
Answer:
| Solution | Suspension | Colloid |
| Properties: Small-sized particles (less than 1 nm in diameter): Particles remain evenly distributed: Does not settle down: Transparent: Cannot be separated by filtration: Does not scatter light | Properties: Large-sized articles /more than 1000 nm in diameter): Settles down when left undisturbed: Heterogeneous mixture: Scatters light: Separates by filtration | Properties: Moderately- sized particles 11-1000 nm): Does not settle down: Heterogeneous mixture: Cannot be separated by filtration: Scatters light |
| Examples: Salt solution: Brass | Examples: Mud: Sand in water | Examples: Milk: Butter: Smoke |