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turn it dodo stupid person
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoThey are hermetically sealed
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When was coffee first sold in sealed tin cans in US?
1879
Why are expiry dates placed on cans?
Because cans seems are or where sealed by lead. The lead, after a time, contaminated the contents. This caused food poisoning.
Who was the manufacturer of the first coffee to be sold in sealed tin cans in the US?
Chase and Sanborn(sandborn?)
Disease caused by a type of bacterium that grows when sealed inside food cans and jars?
Botulism
What disease is caused by a type of bacterium that grows when sealed inside food cans and jars?
Botulism
If you have just discovered a new bacterium that lives inside sealed cans of food how do you think these bactetria obtain food and energy?
If i found a new bacteria that is sealed in cans of food, the way it can obtain food and energy is by feeding on anything that is in the can. It will be decompsing on what is in the can.
Do pouches keep food as well as cans?
Some do, but can are usually better at keeping food sealed for longer amounts of time.
What element was used in plumbing that made people sick?
pipes used to be made of lead, which is poisonious. cans of food also used to be sealed in this way
What weighs more a bag full of uncrushed cans or bag full of crushed cans?
If both bags are the same size, there would be more cans in the crushed can bag and it would weigh 3 or 4 times more than the bag without any crushed cans. If there are the same number of cans in each bag, as long as the cans were not closed, they would weight the same. If the cans were sealed, the air inside would add to the weight of the bag. as the uncrushed cans would leave a lot of air in the bag that would be lighter so a bag of crushed would weigh more as there would be more cans in there
How does soda evaporate in an unopened can?
The cans are filled before the top is attached. Once the top of the can is applied, the can is sealed up and packaged.
How long can cans of root beer be kept before they aren't drinkable?
If the cap is sealed it will keep for years. Once the cap is removed it will keep it's fizz for about a week.
Why do tin cans get crushed if cooled after heated and closing is mouth?
Assuming the can can be sealed. When the can is heated the air inside it expands. If the can is then sealed and allowed to cool the air inside contracts which causes the pressure inside to drop. Because the outside air pressure is now greater it crushes the can.
