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1. Intro to General Chemistry

Physical & Chemical Changes

1. Intro to General Chemistry

Physical & Chemical Changes

미해결 질문
In physical changes, substances might change in ________ but not in ________.
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객관식
What is the balanced chemical equation for the dissolution of copper(II) sulfate in water?
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미해결 질문
What type of change occurs when water changes from a solid to a liquid?
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객관식
Melting butter is a physical change. Which best describes what is happening during this process?
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객관식
Which of the following scenarios represents a physical change rather than a chemical change?
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객관식
Which of the following can indicate that a chemical change has occurred?
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객관식
Which of the following is NOT a possible sign of a chemical change?
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객관식
Which of the following best explains why the melting of ice is considered a physical change?
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객관식
As a candle burns, what happens to most of the wax?
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객관식
Which of the following is an example of a qualitative observation?
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객관식
Which of the following is an example of a chemical change?
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객관식
Which of the following changes in substances is always considered a physical change?
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객관식
When sugar dissolves in tea, is this process considered a physical change or a chemical change?
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객관식
Which of the following best describes what happens at the atomic scale when a mineral cleaves or fractures?
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객관식
Which of the following is NOT an example of a chemical change?
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