Question

 Cho sơ đồ phản ứng. Hỏi A có thể là chất nào sau đây?  

A + HCl⟶ MgCl₂  + H₂O 

A.  Mg               B. MgO                     C. MgCO₃                                D. MgSO₄ 

Answer 1

B

Answer 2

B

Answer 3

`B.` `HCL -> MgCl_{2} + H_{2}O = MgO`

Answer 4

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 5

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 6

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 7

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 8

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 9

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 10

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 11

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 12

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 13

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 14

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 15

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 16

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 17

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 18

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 19

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 20

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 21

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

 

Answer 22

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 23

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 24

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 25

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 26

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 27

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 28

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 29

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`

Answer 30

`HICL -> MgCl_{2} + H_{2}O = MgO`

`=> B`