How can coarse stones be separated from fine sand by particle size?
A) Distillation B) Sieving C) Electrolysis D) Titration Answer: B Explanation: A sieve retains pieces too large for its openings. […]
Every Day Science, Separating Mixtures
Separating Mixtures
Every Day Science, Separating Mixtures
How can dissolved salt be recovered from saltwater without keeping the water?
A) Evaporating the water B) Simple filtration C) Using a magnet D) Sieving Answer: A Explanation: Evaporation removes the solvent […]
Every Day Science, Separating Mixtures
How can iron filings be removed from sand?
A) Evaporation B) Distillation C) Using a magnet D) Using a sieve of identical grain size Answer: C Explanation: Iron […]
Every Day Science, Separating Mixtures
How can two immiscible liquids such as oil and water be separated after standing?
A) Use a separating funnel B) Use a magnet C) Use a sieve for grains D) Freeze all air Answer: […]
Every Day Science, Separating Mixtures
How could you recover dissolved salt from a small sample of saltwater?
A) Use a coarse sieve B) Evaporate the water C) Apply a magnet D) Filter through dry paper only Answer: […]
Every Day Science, Separating Mixtures
Identify the term for removal of a liquid by turning it into vapor.
A) Centrifugation B) Evaporation C) Sublimation separation D) Condensation Answer: B Explanation: Evaporation means removal of a liquid by turning […]
Every Day Science, Separating Mixtures
Identify the term for separation in which less dense material remains near a liquid surface.
A) Reverse osmosis B) Floatation C) Fractional distillation D) Magnetic separation Answer: B Explanation: Floatation means separation in which less […]
Every Day Science, Separating Mixtures
Identify the term for separation of small dissolved substances through a selective membrane.
A) Distillation B) Dialysis C) Sieving D) Separating funnel Answer: B Explanation: Dialysis means separation of small dissolved substances through […]
Every Day Science, Separating Mixtures
Identify the term for settling of suspended particles under gravity.
A) Crystallization B) Sedimentation C) Winnowing D) Filtration Answer: B Explanation: Sedimentation means settling of suspended particles under gravity. It […]
Every Day Science, Separating Mixtures
What is pouring off clear liquid above settled solids called?
A) Distillation B) Sublimation C) Fermentation D) Decantation Answer: D Explanation: Decantation separates a liquid from sediment by careful pouring. […]