右圖為一氧化碳還原氧化銅的裝置圖:

(1)實(shí)驗(yàn)過(guò)程中,先進(jìn)行的是        。(填①或②)

①加熱     ②.通一氧化碳

(2)A中可看到的現(xiàn)象是:                 ;反應(yīng)的反學(xué)方程式為:                                

B中可看到的現(xiàn)象是:                 ;反應(yīng)的反學(xué)方程式為:                                  

(3)該裝置的不足之處是:                                。


(1)②

Δ

(2)黑色固體變紅反應(yīng),CO+CuO ==Cu+CO2

澄清石灰水變渾濁,CO2+Ca(OH)2=CaCO3↓+H2O

(3)無(wú)尾氣處理裝置


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