Short answer: No.
It really depends on how the milk in the milk tea was pasteurized. Grade A pasteurization of milk in the United States can last several days if it hasn't been opened. Milk pasteurized in other areas may be done differently, such as ultrapasteurization, which extends the shelf like even longer. But generally speaking, milk tea sold in bottles and sealed should last without refrigeration for several days. It has to because the bottles stand the chance of not being refrigerated during shipping. However, once the seal has been broken, then it needs refrigeration.
Of course milk needs to be refrigerated because if you don't refrigerate it, it will get chunky and go bad.
Cheese is made of milk, milk needs to be refrigerated, so yeah it needs to be refrigerated.
Yes, lactose-free milk needs to be refrigerated to maintain its freshness and prevent spoilage.
If it is open refidgeration is recommended.
Yes, canned coconut milk solidifies when refrigerated due to the high fat content in the milk.
Milk Tea
the milk powder is dry and does not need to be put in the fridge because it is powdered so you DONT have to put in the fridge . i hope this helps.
No, lactose-free milk is typically only available in a refrigerated form.
Refrigerated breast milk is good for up to 24 hours after warming it up.
Yes, you can mix thawed breast milk with refrigerated breast milk. Just make sure both are at the same temperature before combining them.
Because it's UHT milk, (Ultra Heat Treated) this kills all the bacteria, its then sealed into sterile packs so it does not need to be refrigerated.
Unopened milk can spoil even while refrigerated because there are tons of bacteria in the milk, and if they start reproducing, that will cause much more waste, therefore souring the milk.