Градба на чисти супстанци

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Title of test:
Градба на чисти супстанци

Description:
Хемија за 7 одд.

Author:
Moja hemija
(Other tests from this author)

Creation Date:
10/11/2012

Category:
Science
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Content:
супстанците се поделени на: чисти супстанци и соединенија чисти супстанци и смеси.
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