Carla is making two drinks. She is making one hot chocolate and one chocolate milk. Which best describes the agitation needed to make sure the cocoa powder is mixed in well?
Crude oil is a mixture of many liquids. The crude oil enters the bottom of a tall column, where the mixture is heated. The substances rise up the column until they cool down and condense back to liquids.
The Statue of Liberty is made out of copper and was once shiny and copper-colored. Over the years, the copper has gone through a process called oxidation, where it has changed into a new material.
Which describes a homogeneous mixture?
Which best describes solubility?
Which lists mixtures, in order, from the smallest particles to the largest particles?
Which best describes a chemical reaction?
Which separation method would be most successful in separating the components of a homogeneous mixture?
Hydrochloric acid and sodium hydroxide can be combined to form sodium chloride and water. Which best explains the reaction?
How many chlorine atoms are on the products side of the reaction 2Al + 6HCl → 2AlCl3 + 3H2?
Which balances the equation Mg + O2 → MgO?
Which type of reaction has the general formula of AB + CD → AD + CB?
Which clue can be used to identify a chemical reaction as a decomposition reaction?
Harvey mixes two liquids. Which observation of the new mixture most likely indicates a precipitate is forming?
Chemical A and Chemical B react in an exothermic reaction. What can be known about what will happen when Chemical A and Chemical B are mixed together?
Which property describes a mixture?
What are the products of the combustion of a hydrocarbon?
Which explains one reason evaporation can be used to separate a mixture?
Linh is analyzing a solution in a crime lab. He needs to determine what liquid was used to dissolve the other substances. Which method would best complete the task?
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