Neither, its a pure substance
No. Evaporation of ether or any other substance is a physical change as the identity of the substance remains the same.
Ethylic ether can produce diethyl ether peroxide which is highly explosive.
THC is the psychoactive substance found in marijuana.
Alcohol
ether
ether
Ether is indeed a pure substance rather than a mixture. The boiling point of ether is 94.28 degrees Fahrenheit or 34.6 degrees Celsius.
Polar. the C-O bond are polar
You can't. Iodine is an element; no other substance can be extracted from it.
The "ether" is a hypothetical substance, postulated in the past to explain the propagation of electromagnetic waves such as light. The word is hardly used nowadays. Empty space takes over this role, but it doesn't have all the properties that were expected of the ether in the past.
That may be an old term for an electromagnetic wave. The "ether" is the hypothetical substance through which electromagnetic waves travel; according to modern theory, the "ether" doesn't exist, at least, not with all the properties originally proposed. Empty space itself can be said to be the "ether", but the term is considered obsolete.