Final answer:
Yes, mixtures can be separated into their original components using various physical or chemical techniques depending on whether the mixture is heterogeneous or homogeneous.
Step-by-step explanation:
The answer to whether a mixture can be separated back into its original components is Yes. Mixtures come in two main types: heterogeneous mixtures and homogeneous mixtures. Heterogeneous mixtures have a non-uniform composition and can often be separated into their distinct components through simple physical means such as filtration or sorting. On the other hand, homogeneous mixtures have a uniform composition throughout and can be separated by more sophisticated techniques such as distillation or chromatography. Therefore, a student can utilize these separation techniques to revert mixtures to their original substances.