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

`=> B`

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

`=> B`

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

`=> B`

Chuyển các câu sau sang câu bị động

1. Mary types letters in the office.

`=>` Letters are typed in the office by Mary.
2. His father will help you tomorrow.

`=>` You’ll be helped by his father tomorrow.

3. Science and technology have completely changed human life.

`=>` The human life has completely been changed with science and technology.

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

`A.` Phần mền ứng dụng

Phần mềm ứng dụng là tất cả các úng dụng mình đang dùng

`=>` Đông (chắc thế)

`B.`

`Fe(NO_{3})_{2}`

is the girl tall__short?

`=>` Or