Chemical Properties - Quiz Quiz

Question 1

What is the outcome of all chemical changes when two substances are combined?

Revolt · Accepted Answer

C: A new substance forms with different properties.

Question 2

Which statement best describes chemical properties of matter?

Revolt · Accepted Answer

B: Chemical properties, such as combustibility, are generally observed as the identity of a substance changes and one or more new substances form.

Question 3

A scientist is examining an unknown solid. Which procedure would most likely help determine a chemical property of the substance?

Revolt · Accepted Answer

D: exposing it to a flame to see if it catches on fire

Question 4

In a science demonstration, a teacher mixed zinc Zn with hydrogen chloride HCl in a flask and quickly attached a balloon over the mouth of the flask. Bubbles formed in the solution and the balloon inflated. What most likely occurred during this demonstration?

Revolt · Accepted Answer

C: One or more new substances formed.

Question 5

In a science lab, Cash mixes two clear liquids together in a beaker. Bubbles are produced, and a white solid forms and settles to the bottom. He plans to heat the beaker over low heat and make more observations. Which statement is most likely correct?

Revolt · Accepted Answer

A: A chemical change occurred, so even if Cash heats it, the white solid will remain.

Question 6

Which event always involves a chemical change?

Revolt · Accepted Answer

A: burning

Question 7

Which statement best describes chemical properties of matter?

Revolt · Accepted Answer

D: Chemical properties, such as combustibility, are generally observed as the identity of a substance changes and one or more new substances form.

Question 8

Which laboratory activity involves a chemical change?

Revolt · Accepted Answer

A: leaving a copper penny in vinegar until it turns green

Question 9

In a science demonstration, a teacher mixed zinc Zn with hydrogen chloride HCl in a flask and quickly attached a balloon over the mouth of the flask. Bubbles formed in the solution and the balloon inflated. What most likely occurred during this demonstration?

Revolt · Accepted Answer

D: One or more new substances formed.

Question 10

What is the outcome of all chemical changes when two substances are combined?

Revolt · Accepted Answer

B: A new substance forms with different properties.

Chemical Properties - Quiz Quiz Answers

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