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Which of the following pairs of substances can be broken down chemically?  a. Ammonia and iron b. Helium and argon c. Methane and water d. Potassium and lithium e. Water and car…

Which of the following pairs of substances can be broken down chemically?  a. Ammonia and iron b. Helium and argon c. Methane and water d. Potassium and lithium e. Water and car…
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Which of the following pairs of substances can be broken down chemically? 

a. Ammonia and iron 
b. Helium and argon 
c. Methane and water
d. Potassium and lithium
e. Water and carbon

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User Jonan Gueorguiev
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7.5k points

1 Answer

6 votes
Methane and water because they are both compounds
answered
User Splendid
by
8.1k points
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