
Science Test Review
Quiz by Aspen Verink
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23 questions
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- Q1How can you tell when a chemical reaction has occurred?A new material forms.The materials sink to the bottom of the container they are being mixed in.The materials dissolve.30s
- Q2How do you know when a solid and liquid have made a solution?The solution fizzes and bubbles.The solid disappears and mixes into the liquid.The solid sinks to the bottom of the container.The material floats to the top of the liquid after stirring.30s
- Q3How much does 50ml of water weight?40 g100 g50 g5 g30s
- Q4How do you know when a solution has become saturated?When the solid material evaporates.When you shake the solution.When the solid material dissolves.When the solid material will not dissolve anymore.30s
- Q5How can you separate a solution of salt and water?Evaporate the solution to let the water turn into air and leave salt crystals behind.Use a screen like we used in class.Use a filter to separate the salt and water.30s
- Q6When a chemical reaction occurs, what do we call the new material that forms?crystalsolventsolutePrecipitate30s
- Q7When you open a can of soda and it fizzes, is that a chemical reaction?NoYes30s
- Q8What is a SOLUTE?The solid material that we put in a liquid.The substance that the solid material will dissolve into.30s
- Q9What is a SOLVENT?The substance that the solid material dissolves into.The solid material that we put in a liquid.30s
- Q10More concentrated solutions weight...MoreLessThe same as they started.30s
- Q11How do you know if you have a mixture or solution?Mixtures can be easily separated with a screen or filter.Mixtures and solutions are exactly the same.Solutions look the same as a mixture.30s
- Q12Are all solutions mixtures?YesNo30s
- Q13Can a mixture be separated?YesNo30s
- Q14Can a solution be separated?YesNo30s
- Q15Is there a way to separate a dry mixture of salt, powder, and gravel?YesNo30s