Question 1

Which of the following is NOT a chemical property of a substance?

Accepted Answer

It is a tasteless molecule.

Question 2

Which chemical property is demonstrated when hydrogen gas reacts explosively with oxygen gas?

Accepted Answer

Reactivity

Question 3

A scientist observes that a substance produces carbon dioxide and water when burned. Which chemical property is being observed?

Accepted Answer

Flammability

Question 4

Which of the following equations best represents a chemical change?

Accepted Answer

$$2 \mathrm{CH}_3\mathrm{OH} (l) + 3 \mathrm{O}_2 (g) \rightarrow 2 \mathrm{CO}_2 (g) + 4 \mathrm{H}_2\mathrm{O} (g)$$

Question 5

Which property would NOT be used to identify a chemical property of an unknown element?

Accepted Answer

Its melting point

Question 6

A student mixes two chemicals and observes bubbling and a temperature increase. What chemical property is most likely being demonstrated?

Accepted Answer

Reactivity

Question 7

Which of the following is a chemical property that could be used to identify hydrogen gas?

Accepted Answer

It reacts explosively with oxygen gas.

Question 8

Which of the following is an example of a chemical property?

Accepted Answer

Flammability

Question 9

A chemical property describes:

Accepted Answer

How a substance reacts with other substances

Question 10

Which of the following is a chemical property that could be dangerous in a laboratory setting?

Accepted Answer

Toxicity

Question 11

If a substance is highly soluble in acid solution, what type of property is this?

Accepted Answer

Chemical property

Question 12

Which of the following would NOT be considered a chemical property?

Accepted Answer

Its boiling point

Question 13

A chemical property of hydrogen gas is that it:

Accepted Answer

Reacts explosively with oxygen gas

Question 14

Which of the following is a chemical property that can be observed only during a chemical reaction?

Accepted Answer

Reactivity

Question 15

Which of the following is a chemical property that could be used to identify an unknown element?

Accepted Answer

Its reactivity with acids

Chemical Properties: Introduction and Applications

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