Sc.8.p.8.4 | Quizalize

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Sc.8.p.8.4

Quiz by Romano, Ellen

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Q 1/10
Score 0
Which of the following best describes the law of conservation of mass?
30
Mass can change forms but is not conserved
Mass is neither created nor destroyed in a chemical reaction
Atoms can vanish in a reaction
Energy can be created in a chemical reaction
Q 2/10
Score 0
What type of energy is stored in the bonds of chemical compounds?
30
Nuclear energy
Thermal energy
Chemical energy
Mechanical energy

10 questions

Q.

Which of the following best describes the law of conservation of mass?

1

30 sec

Q.

What type of energy is stored in the bonds of chemical compounds?

2

30 sec

Q.

Which category of reaction is characterized by the formation of new substances through the breaking and forming of bonds?

3

30 sec

Q.

What is the main distinction between an element and a compound?

4

30 sec

Q.

What is the primary purpose of a catalyst in a chemical reaction?

5

30 sec

Q.

Which of the following best describes an exothermic reaction?

6

30 sec

Q.

What occurs during a chemical change?

7

30 sec

Q.

What is the role of activation energy in a chemical reaction?

8

30 sec

Q.

Which of the following is a sign that a chemical reaction has occurred?

9

30 sec

Q.

What effect does increasing the temperature have on the rate of a chemical reaction?

10

30 sec

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