Decaying
In the United States, from a couple of different websites that I found, you should say "smelled," and not "smelt." Smelt is interchangeable with smelled in the UK, though, and is common over there. Smelt is also a type of fish.
because condensation is the material changing state from a gas to a liquid and evaporation is the material changing state from a liquid to a gas
Rubber
gangue
If a material is going to be used for electrical wiring, it must have high conductivity. Conductivity is a noun.
Decaying
Gas, for example perfume may be sprayed on fabric to make it smell nicer.
They take the same time.
A smelt is a fish, and roe is fish eggs, so smelt roe is smelt eggs.
They need to smelt it to get all the impurities out
I smelt you. Then I smelt the air. they are not the same.
No, smelled is but not smelt
smelt verb = smell past = smelt past participle = smelt
Yes you can. But one thing you must be mindful of; burglary laws in your state.
Dennis Smelt was born in 1750.
Lee Smelt was born in 1958.
European smelt was created in 1758.