Which of these is a chemical property of aluminum?
Determine which type of property each statement describes by typing “physical” or “chemical” in the blank. Hydrogen is a colorless, tasteless, and odorless gas. Hydrogen is very combustible in the presence of oxygen. Hydrogen is very reactive with most elements. Hydrogen is the least dense of all elements.
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Which of these are physical changes in matter? Check all that apply.
Which of these are chemical changes in matter? Check all that apply. mixing lemonade powder in waterbleaching your hairmowing the lawnlighting a matchletting fruit rot
When fat comes in contact with sodium hydroxide, it produces soap and glycerin. Determine whether this is a physical change or a chemical change. Explain your answer.
This is a chemical change because new substances are formed with different properties and identities.
What did you include in your response? Check all that apply.
You are comparing a reaction that produces a chemical change and one that produces a physical change. What evidence could you use to determine which type of change is occurring?
If the reaction is a chemical change, new substances with different properties and identities are formed. This may be indicated by the production of an odor, a change in color or energy, or the formation of a solid.
What did you discuss in your response? Check all that apply.
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