Question

write two similarities between hydrogen and oxygen​

Answer 1

Answer:

Both hydrogen and oxygen are gaseous compounds at standard conditions. Also, both are diatomic molecules in nature. Furthermore, both are abundant in the earth's atmosphere. Moreover, they are both reactive gases, and their reaction produces water which is essential for our survival.

Explanation:

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Answer 2

Answer:

1. they are gaseous, odorless but colorless.
2. all living things depend to oxygen and hydrogen directly and indirectly.  

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