NO. -Concrete may be a 'dry' wall, however it is NOT Drywall.
There is a type of silicone caulking compound which is specifically designed to be used with concrete; this will work to attach insulation (but only if the concrete is DRY).
the concrete will dry lighter.
dry concrete
Yes, but it's not as good as drywall primer, and will probably give less coverage.
This may be possible if you prep the dry concrete with a latex bonding agent.
dry concrete
Concrete does not dry, it cures.
no
The maximum thickness of a reinforced concrete wall is 203 mm.
Dry, very dry.
Dry lean concrete is used as a sub base for structural concrete. It contains much less cement and more sand compared to structural concrete.
It is possible to use a dirt wall when pouring concrete, but the liquid of the concrete will not make neat edges. The wall must be tamped firmly. This will work on shorter projects, but not on taller ones.