Forming opposites by prefixes - mal & non

1.You can now fly non-stop from Hong kong to London.

2.He will only take part in non-violent demonstration.

3.Nonsense I don't believe a word of it.

4.Medical facilities are poor and non-existent in most rural areas.

5.Non-fiction is a kind of writing that describes real events.

6.A maladjusted child behaves in a way not acceptable to society.

7.They will not intervene unless the child is physically maltreated again.

8.Malnutrition is a physical weakness caused by not eating enough food.

9.If a machine or computer malfunctions, it fails to work properly.

10.The doctor is accused of medical malpractice.(behavior breaking the law or some rules)