An indicator is a substance that changes colour in the presence of another substance.  Let say inside the beaker are substances of both glucose and starch. The glucose and st â¦ arch are of same colour.
How long will dwarf shrimp live? Most dwarf shrimp live between 1.5 and 3 years. There are some very long lived shrimp, such as the ope ula (Hawaiian Red Shrimp). This shrimp can live beyond 20 years in captivity. How big will dwarf shrimp get? Most dwarf shrimp stay between 1.5 and 2.5 inches.
Most things frozen can last awhile, but....once you start to see lots of ice crystals on your frozen food, or places on the shrimp that might have dried out with some discoloration then it's probably freezer burnt and been in there too long.A couple months.....f you peel and de-vein, and soak in salted water, you can keep shrimp in a 34.5 degree refrigerator for up to 4 days. â¦ After that the shrimp will spoil.