1) What does 'soluble' mean? a) Can dissolve b) Can't dissolve 2) What is a mixture? a) A substance made up of 1 type of atom b) A substance made up of 2 or more types of atoms CHEMICALLY bonded c) A substance made up of 2 or more types of atoms NOT chemically bonded 3) What is a compound? a) A substance made up of 1 type of atom b) A substance made up of 2 or more types of atoms CHEMICALLY bonded c) A substance made up of 2 or more types of atoms NOT chemically bonded 4) What is an element? a) A substance made up of 1 type of atom b) A substance made up of 2 or more types of atoms CHEMICALLY bonded c) A substance made up of 2 or more types of atoms NOT chemically bonded 5) Which example is a mixture? a) Tea b) Salt c) Gold 6) How can you separate sand and peas? a) Evaporation b) Filtration c) Chromatography d) Sieve 7) How can you separate sand and water? a) Evaporation b) Filtration c) Chromatography d) Sieve 8) How can you separate salt and water? a) Evaporation b) Filtration c) Chromatography d) Sieve 9) What technique uses evaporating dish? a) Evaporation b) Filtration c) Chromatography d) Sieve 10) What technique uses filter funnel and paper? a) Evaporation b) Filtration c) Chromatography d) Sieve 11) Which one is a soluble solid? a) Sand b) Peas c) Salt d) Water 12) How can you separate dyes in a mixture aka marker? a) Evaporation b) Chromatography c) Filtration d) Distillation 13) How can you separate alcohol and water? a) Evaporation b) Chromatography c) Filtration d) Distillation 14) How can you separate iron and sulphur? a) Filter funnel b) Evaporating dish c) Magnet d) Chromatography paper 15) How can you separate oil and water? a) Decanting b) Filtration c) Evaporation d) Distillation

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