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進行化學實驗時必須注意安全,下列說法不正確的是                                ...

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問題詳情:

進行化學實驗時必須注意安全,下列說法不正確的是                                ...

進行化學實驗時必須注意安全,下列說法不正確的是                                                                                                                

①不慎將*濺到眼中,應立即用大量水沖洗,邊洗邊眨眼睛                                                                                                                                    

②不慎將濃鹼溶液沾到面板上,要立即用大量水沖洗,然後塗上硼*溶液                                                                                                                        

③不慎將濃鹽*灑在桌面上,應立即用濃*氧化*溶液沖洗                                                                                                                                    

④配製稀硫*時,可先在量筒中加入一定體積的水,再邊攪拌邊慢慢加入濃硫*                                                                                                                  

⑤酒精燈著火時可用水撲滅                                                                                                            

A.①②③       B.③④⑤       C.②③④              D.全部                                                                                                    

【回答】

B

知識點:化學實驗基礎知識和技能

題型:選擇題

標籤:注意安全