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soldier1979 [14.2K]
3 years ago
6

Explain how you would test the presence of oxygen and hydrogen gases. ​

Chemistry
1 answer:
Vedmedyk [2.9K]3 years ago
5 0
Place a burning splint near the opening of a test tube. If a popping noise occurs, it's probably hydrogen. Place a glowing splint in the test tube, and if it reignites, it could be oxygen. Place a burning splint into a test tube, and if it goes out, it could be carbon dioxide.
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Answer:

the answer is below

Explanation:

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4 0
3 years ago
Bromine (Br) belongs to the halogen family. Based on the location of the halogens, how many valence electrons does bromine have?
Amanda [17]

Answer:

D. 7

Explanation:

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3 0
3 years ago
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3 0
3 years ago
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MAXImum [283]

Answer:

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7 0
3 years ago
Please help!!
andriy [413]

(I know this is late so hopefully other people find it helpful)

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3 0
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