Question detail
Pick the option a student should use in an exam answer: explain that barriers to reaction mean chemical reactions occur at different rates.?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Key ideas in chemistry
Question
- A. Explain that barriers to reaction mean chemical reactions occur at different rates.
- B. A statement about another biology topic rather than Key ideas in chemistry
- C. A revision technique rather than the scientific idea being tested
- D. A reversed cause-and-effect version of the objective
Answer
Explain that barriers to reaction mean chemical reactions occur at different rates. is the best answer for this Key ideas in chemistry objective.
Explanation
Explain that barriers to reaction mean chemical reactions occur at different rates. is supported by the approved learning objective: "Explain that barriers to reaction mean chemical reactions occur at different rates". It stays within Key ideas in chemistry, uses the key idea "explain that barriers to reaction mean chemical reactions occur at different rates", and avoids distractors that either switch topic, describe a study method, or reverse the biology relationship.
Common mistake
Misunderstanding Reaction Rates
Students often think that barriers to reaction only affect the speed of the reaction and do not understand that they can prevent reactions from occurring altogether.
Emphasize that barriers to reaction can slow down or completely stop a reaction, and provide examples of how catalysts can lower these barriers to increase reaction rates.
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