To observe a chemical property, a chemical change must occur (new substances produced). To see if a piece of paper has the chemical property of combustability (will burn in oxygen), you must actually try to burn it, producing carbon (ash), water vapor, carbon dioxide – the material is no longer paper. What are some clues, observations that might indicate that a chemical change has occurred?
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To observe a chemical property, a chemical change must occur (new substances produced). To see if a...
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