Yes, however most flights require that you do not use electronic devices for the first and last 10 minutes of the flight as they can interrupt signals. Many flight attendants will announce when it is ok to begin using your devices, if not though, never hesitate to push the button for his or her assistance.
Phones aren't allowed on airplanes, because they may influence cockpit controls.
Yes It is allowed
You can bring alcohol nipples on airplanes
No.
no
Yes, they are.
as long as you have it in a suitcase and not a carry on
Not to be used on the airplane, no.
Yes but maximum 100ml .
No
Yes, cellphones are allowed on passenger trains, unlike airplanes.
No you are not allowed.