1 answer:
Molecular hydrogen (H2)
Hydrogen (H2O2)
Nirous Oxide (N2O)
Methane (CH4)
I am so sorry if this is incorrect I did it a long time ago!
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Answer:
Neither
Explanation:
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It provides a way to test a hypothesis
Answer:

Explanation:
1. Calculate the moles of NaOH.
2. Calculate the volume of NaOH

I would say B but it might be D