1) What is paper chromatography used for? a) Separate mixtures e.g. ink b) Measure temperature c) Calculate speed d) Weigh objects 2) What is the purpose of the solvent? a) Carry substances up the paper b) Dissolve paper c) Color the sample d) Heat the mixture 3) What was the common solvent we used? a) Water b) Oil c) Vinegar d) Salt 4) What is the result of chromatography? a) Separated colors b) Mixed colors c) Solid block d) Liquid mixture 5) What is the origin line? a) Start line b) End line c) Middle line d) Top line 6) Why is pencil used for the origin line? a) Doesn't dissolve/move b) Erasable c) Dark color d) Cheap 7) What is a chromatogram? a) Pattern of separated spots on paper b) Solid block c) Liquid line d) Gas cloud 8) True/False- the more soluble the material, the less the spot travels.  a) True b) False 9) Ink is a a) single substance b) mixture

FFynone Science: Y4-5 Paper Chromatography Quiz

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?