Chemical Reactions
Authored by ELIZA ALCARAZ
Chemistry
10th Grade
Used 6+ times
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15 questions
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1.
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1 min • 1 pt
Type of chemical reaction with a general formula AB → A + B.
2.
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1 min • 1 pt
In an endothermic reaction, heat energy is .
3.
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1 min • 1 pt
True or False? During a chemical reaction a new substance (or substances) is produced.
4.
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1 min • 1 pt
Can be changed to balance a chemical equation
5.
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1 min • 1 pt
What does the arrow in a chemical equation mean?
6.
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1 min • 1 pt
True or False? When balancing chemical equations, the subscripts can be changed.
7.
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1 min • 1 pt
In the reaction between sodium (Na) and water (H2O), the gas evolved is:
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