Stock is the base for almost everything in a kitchen. It's used for everything from gravies to soups. It is reduced and seasoned so when making it's best not to add salt. Reducing the stock results in making it too salty, plus it seasoned when making things with it. Starting with an unsalted stock allows the chef to adjust it his final product without the danger of it become too salty.
Practically all the salt is added.
Salt is added to improve flavor.
I suppose that is the synonym of bulk salt.
The salt that is placed on top of the kettles cover can prevent it from escaping steam so it stock under the cover and it falls back and make uncooked rice become cook.
What did you observe! This is not a question we can answer as we were not present when the salt was added.
You don't get the chicken salt out of the chickens, but you do use chicken stock in the making of chicken salt. A good recipe is one part chicken stock to one part plain table salt, but you'll probably find some better recipes if you Google it.
You do season it with salt and pepper
flour that has leavening and salt added is self-rising flour.
The answer is maybe nothing because the salt already in the empty space blocks the salt from joining in and the salt you added sinks to the bottom
Iodine is added to table salt (as NaI, NaIO3, KI or KIO3).
salt is usually added to reduce the temp: during manufactur of ice.
Uniodized salt is a table salt which has no added Iodine.