CBSE Class 6 Science Methods of Separation in Everyday Life (Class 6 NCERT New) Quiz 8

1. Which separation technique is this instrument for?

A Distillation B Filtering C Magnetic separation D Sieving

2. You've got a mixture of powdered sugar and cooking salt. What is the suitable separation technique for this mixture? Hint: the particles of cooking salt are much bigger than those of powdered sugar.

A filtering B sieving C distillation D separation technique

3. Ethanol and water have different boiling point. What would be the suitable separation technique for a mixture of both substances?

A Distillation B Chromatography paper C Sieving

4. What is the suitable separation technique for a mixture of iron filings and salt?

A sieving B filtering C magnetic separation

5. You've got copper sulfate pentahydrate dissolved in water and you want to get rid of the water and get crystals. What's the suitable separation technique?

A sieving B decanting C crystallization D distillation

6. Sulphur is not soluble in water. If, accidentally, some sulphur drops into a glass of water. Which separation technique would you use to separate it from the water?

A by decanting B by filtering C by crystallization D by sieving

7. Charcoal powder is insoluble in water. When water is filtered, the charcoal powder becomes the _______.

A solute B residue C filtrate D solvent

8. The droplets of water that appear on the outside of a glass of cold water on a warm day are an example of?

A sublimation B condensation C evaporation D sedimentation

9. Name the separation method that causes wet clothes on a clothes line to dry

A Chromatography B Filtration C Distillation D Evaporation

10. What is the boiling point of water?

A 0oC B 100oC C 80oC D 95oC