1 mol Na2O2与2 mol NaHCO3固体混合后，在密闭的容器中加热充分反应，排出气体物质后冷却，残留的固体物质是（ ）
| A．Na2CO3 | B．Na2O2、Na2CO3 |
| C．NaOH、Na2CO3 | D．Na2O2、NaOH、Na2CO3 |
相关试题
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| A．too much long | B．much too long |
C．long too much | D．too long much |
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| A．being run | B．run | C．to run | D．running |
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