1) What is dissolving? a) Mixing with water b) Heating a solid c) Freezing a liquid d) Breaking into pieces 2) What happens when sugar dissolves in water? a) Turns purple b) Forms a solution/disappears c) Turns to gas d) Becomes solid 3) Which is a solvent? a) Water b) Salt c) Sand d) Flour 4) What is a solute? a) Dissolved substance b) Liquid container c) Solid block d) Gas in air 5) Which can dissolve in water? a) Salt b) Wood c) Plastic d) Metal 6) What is filtration used for? a) Separate solids from liquids b) Mix liquids c) Heat substances d) Cool gases 7) Week 1 revision: what is melting? a) Liquid to gas b) Solid to liquid c) Gas to solid d) Liquid to solid 8) Which process separates sand and water? a) Filtration b) Evaporation c) Dissolving d) Melting 9) What is a mixture? a) Two or more substances b) Single element c) Pure compound d) Solid object 10) Which is not a mixture? a) Pure water b) Air c) Saltwater d) Fruit salad 11) What happens to copper sulphate in water? a) Dissolves b) Floats c) Sinks d) Evaporates 12) Which substance is insoluble in water? a) Copper b) Salt c) Sugar d) Vinegar 13) What is the result of dissolving? a) Solution b) Mixture c) Solid d) Gas 14) The equipment used to filter is a) A conical flask b) Bunsen burner c) A filter funnel d) A beaker 15) Filtering cannot separate a) Salt from salt water b) Copper from water 16) The filter funnel needs what to filter a) Wire gauze b) Filter paper c) Bunsen burner 17) Separating is a a) chemical reaction b) Physical process

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