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 Materials and Solutions 40 Flashcards |
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What are the two main components of a solution? |
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Solute and solvent |
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Fill in the blank: Substances that do not dissolve in a solvent are called ______. |
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Insoluble substances |
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True or False: Water is known as a universal solvent because it can dissolve many substances. |
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True |
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Which of the following is an example of a soluble substance? A) Sand B) Oil C) Sugar D) Chalk |
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C) Sugar |
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Riddle: I am the process where insoluble particles settle at the bottom of a liquid when left undisturbed. What am I? |
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Sedimentation |
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What is the ability of a substance to dissolve called? |
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Solubility |
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Fill in the blank: The process of separating a soluble solid from a solution by heating is known as ______. |
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Evaporation |
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True or False: All gases dissolve completely in water. |
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False. Some gases, like hydrogen and nitrogen, do not dissolve in water. |
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Which method uses filter paper to separate insoluble solids from liquids? |
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Filtration |
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Riddle: I float on top of water and do not mix with it. I am often used in cooking. What am I? |
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Oil |
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What are liquids that can mix completely with water called? |
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Miscible liquids |
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Fill in the blank: The method of carefully pouring a clear liquid from a settled mixture is called ______. |
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Decantation |
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True or False: Soluble substances can only be solids. |
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False. Soluble substances can be solids, liquids, or gases. |
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Which of the following is an example of an immiscible liquid? A) Alcohol B) Milk C) Oil D) Vinegar |
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C) Oil |
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Riddle: I am the process of using heat to remove water from a solution, leaving solid behind. What am I? |
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Evaporation |
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What happens to heavier insoluble substances during sedimentation? |
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They sink to the bottom. |
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Fill in the blank: Solutions consist of a solute and a ______. |
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Solvent |
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True or False: Milk is a soluble substance when mixed with water. |
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True |
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Which of the following is not a method of separation for soluble and insoluble substances? A) Filtration B) Evaporation C) Mixing D) Decantation |
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C) Mixing |
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What is the general term for substances that dissolve completely in a solvent? |
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Soluble substances |
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