36.6: General Questions

Physci 101 Lab: Physical Science Laboratory Investigations · LibreTexts

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    1. When bleach removes a stain from clothing, is this a physical or chemical change? How do you know?
    2. Vinegar and baking soda may be used as cleaners. What is produced in this reaction that cannot be seen directly?
    3. When household cleaners are combined, production of an invisible, odorless gas could result. Why is the practice of combining cleaners dangerous?
    4. When heat is added to liquid water, the liquid becomes steam. Is this a physical or chemical change? Explain.
    5. What is the basic difference between a physical change and a chemical change?

    This page titled 36.6: General Questions was last modified on Sun, 09 Aug 2026 22:42:16 GMT and is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Teresa Ciardi via source content that was edited to the style and standards of the LibreTexts platform.