Compounds can be separated into their constituent elements only by a decomposition reaction.
Compound separated is hard to do but is call an element
Compounds can be decomposed by chemical reactions.
what do you mean
No, they are separated through chemical changes.
Mixtures can be separated by physical methods.
by weight and by solubility
Fractional distillation
It is a pure substance composed of two or more elements that are cemically combined.
No, compounds cannot be separated by physical methods. Because of their chemical bonds, they can only be separated by chemical methods.
Various chemical compounds eg Hydrogen Peroxide.
No, Compounds Cannot Be Separated by Physical methods like Magnetic Separation , Filtration etc... They Can Be Only Separated By Chemical Means