How do some subtances react when combined with subtances?

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... → substance f harmful substances → des ... the book lacks substance → das Buch hat keine Substanz; there is some substance in his claim → seine ... - Read more

A chemical reaction is a process that leads to ... The production of chemical substances that do not normally ... two or more simple substances combine to form a ... - Read more

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How do some subtances react when combined with subtances? resources

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