No, China has several hundred nuclear bombs and has had bombs since 1964.
No, it is perfectly legal as long as it is used on your own property.
No
Bombs made of cast iron shells packed with explosive gunpowder date to 13th century China. Now the military is using no corrosives material but illegal bombs could be made with iron pipes.
Japan has no nuclear weapons.
They used nuclear and atomic bombs.
they mostly not
Nuclear bombs are illegal since bombs could potentially be harmful to others and places, so no it is not legal.
china
China use uranium as nuclear fuel or for atomic bombs.
china,russia,usa,uk!......
No, it is perfectly legal as long as it is used on your own property.
They had originally had an agreement with the USSR that the USSR would provide them with atomic bombs. However when the USSR failed to do that, China decided they had to make the bombs themselves.
It is illegal for private individuals to prepare bombs of any type. But countries can do what they want to. Ownership of highly enriched Uranium, Uranium-233, or Plutonium by private individuals is illegal in the US and probably several other countries. Without one or the other no nuclear bomb can be built.
Some bombs are nuclear. But most bombs are not nuclear.
No, only certain ways of testing them and only if a country agrees to the terms of that treaty.
I'm 99% sure that it's illegal to disclose the process for making nuclear bombs exactly. You're on your own.
Yes, there is nuclear energy in nuclear bombs. It is released in a few microseconds when they are detonated.