kilmoomg

3 tuần trước

kể tên tất cả các loại chất vô cơ có thể bị nhiệt phân hủy

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Nhật Dương

3 tuần trước

Em tham khảo nha:

Các loại chất vô cơ có thể bị nhiệt phân hủy như:

- Muối cacbonat của các kim loại trừ $Na,K,..$

- Muối hidrocacbonat

- Muối $KMnO_4,KClO_3$

- Bazo không tan

.......

Aura Aura

3 tuần trước

Đáp án:

Giải thích các bước giải:

Oxit bazơ không tan bị nhiệt phân hủy:

VD: `Fe(OH)_2`

`Fe(OH)_2` $\xrightarrow[]{t°}$ `FeO + H_2O`

Muối cacbonat trung hoà bị nhiệt phân hủy ( trừ muối của K, Na, Li... )

VD:

`CaCO_3`` $\xrightarrow{t°}$`CaO + H_2O`

Muối hiđrocacbonnat

VD: `2KHCO_3` $\xrightarrow[]{t°}$ `K_2CO_3 + CO_2 + H_2O`

Một số muối khác như `KMnO_4`, `KClO_3`,...

Chúc bạn học tốt #aura

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Tìm lỗi sai, giải thích và sửa: The exercise corrects by the teacher every day.

Choose the best answer.
I think you should buy ___ pack of mineral water instead. And you can also buy _ snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ____ cookies and soft candies.

Choose the best answer.
We should decorate our living room with _ orange banner. We also need ____ ribbons, balloons, party hats and costume.

Choose the best answer.
I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.

Đề thi - đề kiểm tra Xem thêm

Chúng tôi

Học tốt

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Mạng xã hội

kể tên tất cả các loại chất vô cơ có thể bị nhiệt phân hủy

2 câu trả lời

Nước ta có bao nhiêu dân tộc?

Tìm lỗi sai, giải thích và sửa: The exercise corrects by the teacher every day.

Choose the best answer.I think you should buy _____ pack of mineral water instead. And you can also buy _____ snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______ cookies and soft candies.

Choose the best answer.We should decorate our living room with _____ orange banner. We also need ________ ribbons, balloons, party hats and costume.

Choose the best answer.I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.

Đề thi - đề kiểm tra Xem thêm

Choose the best answer.
I think you should buy ___ pack of mineral water instead. And you can also buy _ snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ____ cookies and soft candies.

Choose the best answer.
We should decorate our living room with _ orange banner. We also need ____ ribbons, balloons, party hats and costume.

Choose the best answer.
I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.