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.
How long can shrimp sit at room temperature and still be good? Four hours maximum.   A different recommendation   Four hours at room temperature is too long. Potentially hazardous food should not be kept out for more than 2 hours.â¦ And if the ambient temperature is around 90Â°F, cut that time to 1 hour. Mizundastood Davenport.