you can paint over latex paint with latex enamel.
Yes, enamel paint will go over flat paint.
Enamel paint is basically a type of oil based paint. It can be defined as a semi or high-gloss paint that levels out all by itself. You spread it evenly with a brush, and then the strokes vanish; it forms an enamel surface. It works superlatively on a distinctive primer that equalizes the surface.
yes
The liquid tempera paint is not waterproof because it is a water base paint.
yes
Yes, with enamel paints.
It is a semi-gloss texture enamel.
emulsion paint: paint in which the binder is dispersed in water. enamel paint: pigmented varnish, glossy coating
No, you can't.
Acrylic paint is waterproof and suitable for crafts.
Enamel paint.