Mixture and Solution Unit Quiz
Quiz by Judy Peng
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11 questions
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- Q1How do you know when a solid and a liquid form a solution?The solid mixes uniformly in the liquid and then settles out.After you stir it, the solid sinks to the bottom.The solid dissolves, and the liquid turns milky.The solid dissolves, and the liquid remains clear.30s
- Q230s
- Q330s
- Q4Lance and Jasmine were making instant iced tea. Lance put two spoonfuls of iced-tea powder in 250 milliliters of water. Jasmine put four spoonfuls of iced-tea powder in 250 milliliters of water. Lance stirred his mixture, and it all dissolved. Jasmine stirred hers, but it didn’t all dissolve. “I think you have a saturated solution,” said Lance. “I know,” said Jasmine. “What could I do to make all the powder dissolve?”What should Jasmine do to dissolve the rest of the powder?Add more iced-tea powder.Add more water and stir.Remove some water to give the solid some space.Put the mixture into the refrigerator.30s
- Q5Regina made two solutions. She made solution A with water and material A. She made solution B with water and material B. Both solutions were clear. When Regina mixed the two solutions together, the mixture became cloudy and milky white. Why did the mixture of solutions turn white?A chemical reaction occurred and a precipitate was formed.Magic!Regina accidentally pour paint inside her mixture without knowing.A chemical reaction occurred where the cloudiness is an indication of gas production.30s
- Q6What is the most abundant element found in the human body?OxygenNitrogenCarbonHydrogen30s
- Q7Below is a list of mixtures. Which mixture is also a solution?Toss saladCereal in milkSugar waterSand and water30s
- Q8As a result of chemical reaction, which of the following can't happen?New atom formsNew molecule formsNew substance forms30s
- Q9What are the basic units that all matter is made of?MoleculesAtomsWaterCompounds30s
- Q10How would you make a saturated solution using sugar and 50 ml of water?Add sugar to the 50 ml of water and stir until no more sugar dissolves.Add sugar until the volume equals 100 ml.Add sugar very slowly and don't stir.Add 50 grams of sugar and stir.30s
- Q11When a solid material dissolves in a liquid to form a solution, the solid material is called the _____.ReactantSolventPrecipitateSolute30s
