9.1 Energy changes in chemical reactions

9.1 Energy changes in chemical reactions

7th Grade

17 Qs

quiz-placeholder

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9.1 Energy changes in chemical reactions

9.1 Energy changes in chemical reactions

Assessment

Quiz

Chemistry

7th Grade

Easy

Created by

Mohamed M.Elhassan

Used 41+ times

FREE Resource

17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Reactions that release, or give out, heat are called ..............................................

endothermic.

exothermic.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Reactions or changes that take in heat from the surroundings are called ................................... reactions.

endothermic.

exothermic.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Melting is considered an............................................... process.

endothermic.

exothermic.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Evaporation is considered an............................................... process.

endothermic.

exothermic.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mixing dilute hydrochloric acid and sodium hydroxide is an.......................................reaction/process.

endothermic.

exothermic.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mixing sodium hydrogen carbonate with citric acid is an.......................................reaction/process.

endothermic.

exothermic.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dissolving ammonium chloride is an .................................... process.

endothermic.

exothermic.

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