Lesson T3.2.1
T3.2.1 Filtration and evaporation Quiz: KS3 Chemistry, Unit 3
20 questions
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Lesson T3.2.1, Filtration and evaporation: 20 multiple choice questions for the KS3 Chemistry (National Curriculum), Unit 3: Pure and impure substances, written with Revision Ninja.
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The 20 questions
-
What type of mixture is filtration used to separate?
- Soluble solid
- Insoluble solid
- Pure liquid
- Dissolved gas
-
What is the main role of filter paper during filtration?
- Trapping solids
- Dissolving solutes
- Absorbing liquids
- Boiling solvents
-
What is the liquid that passes through the filter paper called?
- The filtrate
- The catalyst
- The residue
- The solute
-
What is the solid left behind on the filter paper called?
- The solute
- The solvent
- The filtrate
- The residue
-
Why can sand be easily separated from water using filtration?
- It melts easily
- It dissolves fast
- It is insoluble
- It evaporates away
-
What remains behind when a salt solution undergoes evaporation?
- Liquid solution
- Pure water
- Water vapour
- Salt crystals
-
During evaporation of a solution, what turns into vapour?
- Solution
- Solute
- Solvent
- Crystal
-
What is left in the evaporating dish after boiling a salt solution dry?
- Gas bubbles
- Nothing at all
- Solid salt
- Liquid water
-
Which method is best for separating chalk powder from water?
- Chromatography
- Distillation
- Condensation
- Filtration
-
What apparatus component must be properly fitted in a funnel to ensure clear filtrate?
- Conical flask
- Measuring cylinder
- Evaporating basin
- Filter paper
-
Why does evaporation happen slowly in a cold room?
- Increased humidity
- Lower temperature
- Higher pressure
- Greater solubility
-
Which method separates the soil from muddy water?
- Chromatography
- Melting
- Distillation
- Filtration
-
Which method separates salt from salt water, leaving the salt as a solid?
- Filtration
- Magnetic separation
- Sieving
- Evaporation
-
What prevents unfiltered liquid from running past the edge of a filter funnel?
- Narrow funnel stem
- Wide filter rim
- Correctly fitted paper
- Loose filter fold
-
Which mixture type is best separated by filtration?
- Two mixed liquids
- Soluble solid and liquid
- Dissolved gases
- Insoluble solid and liquid
-
What is the first step when separating a sand, salt and water mixture?
- Evaporation
- Distillation
- Chromatography
- Filtration
-
What causes a filtrate to appear cloudy after passing through paper?
- Dissolved mineral ions
- Fine solid particles
- Condensed water droplets
- Evaporated solvent vapour
-
What state is the solute left in after complete evaporation of a solution?
- Gas
- Solid
- Liquid
- Plasma
-
What is the correct order to separate sand, salt and water?
- Filter then evaporate
- Evaporate then filter
- Filter then distil
- Distil then filter
-
Why must a filtration residue be dried before its mass is measured?
- Paper dissolves away
- Salt crystals form
- Water adds mass
- Solid absorbs heat
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