Any substance or compound cannot be physically separated. The broad term for this is simply "substance".
substance
false
It's a compound
What are the components of solutions?
it depends on wht compound it its
An element cannot be separated into simpler substances by chemical means.
element
molecules
molecules
A Lipid is insoluble. Aka a fatty acid.
It's a compound
A Compound is a chemically combined entity. It cannot be separated physically. A Solution is a physically combined entity. Hence, it can be separated physically.
A compound.
What are the components of solutions?
This is an alloy and a homogeneous mixture.
Of course Element. Iron = Fe It cannot be separated by physical or chemical means and hence is an element Mixtures can be separated by physical means and compound by chemical means
substances
The substance is a compound, which forms chemical bonds that cannot be physically separated, but only by a chemical change.
A substance you can't physically change would be copper grains, and iron filings.