oxit nào sau đây phản ứng với nước (ở điều kiện thông thường)

2 câu trả lời

Đáp án CrO3 

Giải thích các bước giải:

CrO3 + H2O → H2CrO4

Bạn tham khảo!

Đáp án:

 $\text{Chọn A) Na2O}$

Giải thích các bước giải:

$\text{Oxit Bazo tan+H2O$\rightarrow$Bazo}$

$\text{Oxit Bazo tan: K2O, BaO, CaO, Na2O, Li2O}$

$\rightarrow$ $\text{Loại B,C,D vì PbO, FeO, CuO là những Oxit Bazo không tan}$

$\text{Na2O+H2O$\rightarrow$2NaOH}$

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Câu hỏi trong lớp Xem thêm

Combine the two sentences into one. Using where, when. …………………………………………………………………………………… 2. I’ll never forget the day. I met you on that day. …………………………………………………………………………………… 3. The city was beautiful. We spent our vacation in that city. …………………………………………………………………………………… 4. Monday is the day. We will come on that day. …………………………………………………………………………………… 5. That is the restaurant. I will meet you at that restaurant. …………………………………………………………………………………… 6. 7:05 is the time. My plane arrives at that time. …………………………………………………………………………………… 7. The town is small. I grew up in that town. …………………………………………………………………………………… 8. That is the drawer. I keep my jewelry in that drawer. …………………………………………………………………………………… 9. 1960 is the year. The revolution took place in that year. …………………………………………………………………………………… 10. July is the month. The weather is usually hot in that month. ……………………………………………………………………………………

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