как опытным путем распознать растворы солей: FeSO4,Na2SO4, Al2(SO4)3 ?

Помогите решить пожалуйста : 5<|z|<9

Write the sentences in the indirect from:

Mike said to his sister:"Kate, give me book back".
Betty said to her mother, "Mummy, buy me an ice-cream, please".
Mother said to her son,"Johnny, don't open the box".
Bob said to his friend,"Dick, don't open the window".
Alice said to Mike," Have you ever been to London?".
Jim said to his friend," Shall we go to the cinema?"
Peter said to his brother,"What are you looking for?"
Mrs Potter said to her husband,"When will you go the doctor's?".
Alec said,"I have something to tell you."
Jane said, "I don't remember his address".