Why did the btb solution in jar a turn yellow?

The excretory system,need answers for all: )

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, even though he cannot possibly have examined all possible test scenarios, the experimenter is using deductive reasoning inductive reasoning abductive reasoning subjective reasoning