please help GCSE chemistry

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butter fly
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#1
Report Thread starter 8 months ago
#1
ammonia reacts with oxygen in the presence of a metal oxide catalyst to produce nitrogen and water.
which metal oxide is most likely to be a catalyst for this reaction?
a) CaO
b) Cr2O3
c)MgO
d)Na2O
the answer is b but I don't understand why
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bl0bf1sh
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#2
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#2
have a think about the metals involved in the compounds
what type of elements are often used as catalysts?
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butter fly
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#3
Report Thread starter 8 months ago
#3
(Original post by bl0bf1sh)
have a think about the metals involved in the compounds
what type of elements are often used as catalysts?
never mind i get why now thanks
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