Chemistry Test #5 – Separation of Substances

Grade: NCERT Class 6/9 | NEET Foundation Aligned

✅ 10 MCQs | +4 Correct | –1 Incorrect | Instant Results + Full Explanations

1. Which separation method is used to separate tea leaves from tea?
a) Evaporation b) Filtration c) Distillation d) Sedimentation

2. Which process is used to obtain salt from seawater?
a) Filtration b) Sedimentation c) Evaporation d) Distillation

3. Which method is used to separate ammonium chloride from sand?
a) Decantation b) Heating c) Chromatography d) Sublimation

4. Decantation is applicable to:
a) Solid-gas b) Liquid-liquid c) Miscible liquids d) Colloids

5. Filtration separates components based on:
a) Boiling point b) Size of particles c) Magnetic properties d) Solubility

6. Separating funnel is used to separate:
a) Immiscible liquids b) Miscible liquids c) Solid-liquid d) Gases

7. Which of these is not a method of separation?
a) Winnowing b) Decantation c) Saturation d) Sieving

8. Which process separates mixtures using boiling points?
a) Sedimentation b) Evaporation c) Distillation d) Filtration

9. The method to extract oil from mustard seeds is:
a) Handpicking b) Magnetic separation c) Distillation d) Pressing

10. In a saturated solution, if more solute is added:
a) It dissolves b) It boils c) It settles at the bottom d) Color changes

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