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OldSpice OldSpice
wrote...
Posts: 6432
9 years ago
How was Haber able to combine nitrogen and hydrogen gases to manufacture ammonia?
A) high temperature
B) high pressure
C) metal oxide catalysts
D) all of the above
E) none of the above
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ElectricElectric
wrote...
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Posts: 6431
9 years ago
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.silent.boss

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OldSpice Author
wrote...
9 years ago
Perfect!

..Thank you so much for your support
wrote...
9 years ago
My pleasure
.silent.boss
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