Chemical Properties

Question 1

Which of these is a chemical property of aluminum?

Revolt · Accepted Answer

Aluminum is highly reactive.

Question 2

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.

Revolt · Accepted Answer

Part 1: physical; Part 2: chemical; Part 3: chemical; Part 4: physical

Question 3

Which of these are physical changes in matter? Check all that apply.boiling watera pencil being sharpenedexploding dynamitefreezing waterrotting cheese

Revolt · Accepted Answer

boiling water; a pencil being sharpened; freezing water

Question 4

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

Revolt · Accepted Answer

bleaching your hair; lighting a match; letting fruit rot

Question 5

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.

Revolt · Accepted Answer

This is a chemical change because new substances are formed with different properties and identities.

Question 6

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

This is a chemical change.; New substances are formed.; The properties and identities of the original substances are changed.

Chemical Properties Answers

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