1 The technique used to separate pigments from a mixture is: A Chromatography B Filtration C Distillation D Evaporation
2 Which method is used to separate salt from saltwater? A Evaporation B Filtration C Sieving D Magnetic separation
3 Which method is used to separate flour from bran? A Sieving B Filtration C Evaporation D Distillation
4 Which method is used to separate sugar from sugar solution? A Evaporation B Filtration C Distillation D Sieving
5 Which method is used to separate a mixture of two immiscible liquids? A Separating funnel B Distillation C Filtration D Evaporation
6 A mixture of sand and water can be separated by: A Filtration B Evaporation C Distillation D Magnetic separation
7 The process of heating a liquid to form vapor and cooling it to obtain pure liquid is: A Distillation B Evaporation C Filtration D Decantation
8 The process of separating a mixture using a separating funnel is for: A Immiscible liquids B Miscible liquids C Solids and liquids D Gases
9 The technique of separating solid particles from a liquid by allowing them to settle at the bottom is: A Sedimentation B Filtration C Evaporation D Centrifugation
10 The process of converting a liquid into vapor and then condensing it back is called: A Distillation B Filtration C Evaporation D Decantation
11 Which method is best for separating a mixture of two liquids with different densities? A Separating funnel B Distillation C Filtration D Evaporation
12 Which method is used to separate ammonium chloride from a mixture of ammonium chloride and salt? A Sublimation B Filtration C Distillation D Evaporation
13 A mixture of gravel, sand, and fine powder can be separated by: A Sieving B Filtration C Evaporation D Distillation
14 Which method is used to separate iron nails from a mixture of sand and iron nails? A Magnetic separation B Sieving C Filtration D Evaporation
15 The separation technique that uses a porous barrier is: A Filtration B Evaporation C Distillation D Sieving
16 Which mixture can be separated by sublimation? A Ammonium chloride and salt B Sand and water C Oil and water D Iron and sulfur
17 Which method is used to separate components of a mixture based on particle size? A Sieving B Filtration C Evaporation D Distillation
18 A mixture of iron filings and sulfur can be separated using: A Magnetic separation B Filtration C Evaporation D Distillation
19 Which method is used to separate a mixture of sand and salt? A Dissolve in water, filter, evaporate B Magnetic separation C Sieving D Distillation
20 Which method is used to separate a mixture of salt and sand? A Dissolving in water, then filtration and evaporation B Magnetic separation C Sieving D Distillation
21 Which method is used to separate a mixture of iodine and salt? A Sublimation B Filtration C Evaporation D Distillation
22 Which of the following is used to separate grains from husk? A Winnowing B Sieving C Filtration D Distillation
23 The process of separating a mixture by spinning it rapidly is called: A Centrifugation B Filtration C Evaporation D Distillation
24 Which method is used to separate a mixture of oil and water? A Separating funnel B Filtration C Distillation D Evaporation
25 Which method is used to separate a solid from a liquid when the solid is soluble? A Evaporation B Filtration C Decantation D Sieving