Which of the following are the products of the reaction of a metallic oxide with an acid?

A) a metallic ion + H2(g)
B) a metallic ion + H2O(l)
C) solid metal + H2(g)
D) solid metal + H2O(g)


B

Environmental & Atmospheric Sciences

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Why does subsurface mining have less of an environmental impact than surface mining?

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____________________. What will be an ideal response?

Environmental & Atmospheric Sciences