Science, asked by jhavikashkumar8170, 11 months ago

In free state and in combined state De frutos respectively exist as

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Answered by minhaj8255
1

Answer:

Copper and silver are the two metals that occur in free state as well as in combined state. One of the main ores of manganese is pyrolusite. Pyrolusite is made up primarily of the compound manganese dioxide (MnO 2 

Explanation:

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