yes
Potassium is not an organic compound, it is a pure substance, an element.
ketone
Lipids
carbohydrates
It is not organic because it contains no carbon, and it is not a compound because it contains one kind of atom.
lipids
It is a sugar or Carbohydrate.
energy
the organic compound three kind normal, acid and basic compound for acid compound the pKa from 3 to 5, normal pKa around 7 and basic compound more than 7 also you can know the kind of organic compound from structure that you can see acidic or basic grope like carboxylic acid or amine.
its used for angina pectoris
Sugar is not an organism. Sugar is an organic compound.