Default Questions Questions Questions !!

For Moto G dual sim version will the followng things work ? or how to make it work ?

1] Will roms from single sim work ? ( only one sim working after flashing )

2] Can I flash Single sim Firmware ?

3] Are there any hardware changes in the dual sim like chipset or anything minor ?

4] Has anyone tried Roms or firmware from single sim ?

5] These questions are bugging me from so long so had to ask.