题目内容
铝能跟稀硫酸起反应生成氢气和硫酸铝(铝是+3价),下列化学方程式中,正确的是
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A.Al+H2SO4AlSO4+H2↑
B.2Al+3H2SO4Al2(SO4)3+H2
C.2Al+3H2SO4Al2(SO4)3+3H2↑
D.3Al+H2SO4Al3SO4+H2↑
铝能跟稀硫酸起反应生成氢气和硫酸铝
A.Al+H2SO4(稀)=AlSO4+H2
B.2Al+3H2SO4(稀)=Al2(SO4)3+3H2
C.Al+3H2SO4(稀)=Al(SO4)3+3H2↑
D.3Al+H2SO4(稀)=Al3SO4+H2↑
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A
B
C
D