no, sugar and flour do not contain the same chemicals so if a recipe calls for flour and you use confectioners sugar, the final product could be flat and disgusting. i highly recommend u do not do this!
Flour or Confectioners sugar.
There are no such substances as xyotol and suger. If you mean is xylitol a healthy substitute for sugar, it's perfectly safe. See: http://en.wikipedia.org/wiki/Xylitol
You can use cake meal as a substitute for flour.
You can indeed, the cake may be marginally denser as a result.
tapioca
Self-rising Flour
Wholewheat flour
i would thank so
Substitute regular flour and baking powder (1 tsp per cup of flour) for self-raising flour. Add a bit of salt if you like, but not necessary.
Sugar will dissolve in water but flour won't. Mix both in water, strain out the flour. Evaporate the water and what is left is sugar.
flour is mixture
Frosting is made with sugar - usually confectioners' sugar - liquid and butter. Flour is not used in making frosting.