Yes
no.
Confectioner's Sugar (powdered sugar) has a completely different consistency and quality than granulated sugar. You cannot substitute one for the other.
Can the fondant sealer be used instead of whipped fondant so it won't be very sweet or does the fondant have to rolled out thinner
Butter can be used instead of shortening for fondant. Other ingredients needed with this recipe include corn syrup, vanilla and salt.
No
You can substitute powdered unflavored coffee creamer for powdered milk.
Since powdered eggs are going to be scrambled or used in a recipe, it shouldn't be a problem.
One delicious recipe that uses cookies with powdered sugar instead of granulated sugar is Russian Tea Cakes. These cookies are made with a buttery dough, rolled in powdered sugar, and baked until they are lightly golden. The powdered sugar gives them a delicate sweetness and a melt-in-your-mouth texture.
Yes, you can use powdered sugar in frosting instead of white sugar. In fact, powdered sugar is often preferred for frostings because it dissolves easily and creates a smooth texture. Just be aware that using powdered sugar will result in a sweeter frosting, so you may need to adjust the amount to suit your taste.
I'm afraid not. On a basic level, sugar dissolves in water (up to a point) and tastes sweet, whereas all-purpose flour does not dissolve in water and has a completely different taste. Also, flour absorbs much more water than icing sugar. This means that flour and icing sugar have very different properties and so are not interchangeable in baking. Also, I should point out that eating uncooked flour (which, I guess may happen if you attempt to use it for fondant) is not considered to be very good for you.
You can indeed, the cake may be marginally denser as a result.
A radio that gets power from batteries instead of the outlet on the wall.