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.
Boil the shrimp until a few start floating on top of the water. There is no set time for boiling shrimp, but smaller shrimp (50+ per pound) will take around 2 to 3 minutes, while larger shrimp (~30 per pound) will take around 5 to 7 minutes. This is only a guideline however.