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19-02-2020
Chemistry

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When a sample is heated water is observed at the top of the tube. The compound melts and changes color. Te residue is not entirely soluble. It is most likely Select one: a. a carbohydrate b. a hydrate c. efflorescent d. deliquescent

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21-02-2020

Answer:

hydrate

Explanation:

when a hydrate is heated,it changes color due to the exothermic reaction taking place.the structure of the complex changes but not entirely.this result in the sample to to not dissolve completely and we can observe the small traces of the sample.

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