When 100mL of HCl are added, the pH of the solution will equal 7. Bromthymol Blue, an indicator which changes color in the 6-8 pH range is used in this case, because we can see when the pH is equal to 7.
Firstly, you have more chance of getting hit by a car or killed by a coconut falling on your head than getting attacked by a shark. A shark isn't going to pick you by what colour your boogie board is. Usually they attack people who have just gone to the toilet or are simply the unlucky ones. I think Mythbusters found that sharks are not attracted to certain colours but they tend to bite the colour yellow more once they do attack.
It hunts alone in the darkness of the night sea. Black-tipped sharks and white-tipped sharks are smaller and therefore take smaller prey than tiger sharks. The feed on small fishes at the edges of reef and in shallow waters. Not all sharks that inhabit the Great Barrier Reef are top carnivores.Whale sharks, the largest of all fish in the sea, reach 15 meters in length and grow to weights up to 15 metric tons. But their diet consists of plankton, crustaceans and small fish. Sharks are not the only predators of the reef though.he feed on small fishes at the edges of reef and in shallow waters. Not all sharks that inhabit the Great Barrier Reef are top carnivores. Whale sharks, the largest of all fish in the sea, reach 15 meters in length and grow to weights up to 15 metric tons.