Not necessarily.
A rectangle (or square).
a Cuboid
square base pyramid
The ajective "even" is not usually applied to faces, so it is difficult to answer the question. Two faces of a square based cuboid are square. The remaining 4 are rectangles.
The base of a cuboid is a rectangle.
A square prism is always a cuboid.
A cuboid can have 2, 4 or 6 square faces.
A square is a 2-dimensional figure, a cuboid is 3-dimensional.
Yes, a cuboid has two square faces if it is a special type of cuboid known as a square cuboid or a cube. In general, a cuboid has six rectangular faces, but only if two of those faces are squares will it specifically have two square faces. If all six faces are squares, then it is classified as a cube.
Not necessarily. The solid could be a square based cuboid (hexahedron).
A rectangle.
A cube is a 3D square while cuboid is a 3D rectangle