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Chemical or Physical Reaction?

Chemical or Physical Reaction?. Reaction of sulfuric acid and sugar. The acid dehydrates the sugar forming a pillar of carbon (black) and steam. Chemical Gas production, color change, new substance, temperature change. Chemical . Temperature change, gas production, color change, new substance.

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Chemical or Physical Reaction?

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  1. Chemical or Physical Reaction?

  2. Reaction of sulfuric acid and sugar. The acid dehydrates the sugar forming a pillar of carbon (black) and steam. • Chemical • Gas production, color change, new substance, temperature change

  3. Chemical • Temperature change, gas production, color change, new substance

  4. Chemical • New substance; color change

  5. Chemical • This marble statue has been eroded by acid rain. Marble is a material having CaCO3 as its primary component. Acids react with and dissolve the marble. The acid comes from sulfur dioxide in the atmosphere combining with water to form sulfurous acid.

  6. Chemical • Formation of a precipitate

  7. Physical • Change in state of matter

  8. Dry Ice……… Physical • Change in state of matter • Sublimation • “skipping a state of matter”

  9. Baking a cake..Chemical

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