An indicator usually means a substance which changes colour depending on what other substances are present. The most common type are acid/alkali indicators such as litmus, which is red in acids and blue in alkalis.
Purpose on a science fair is basically what was the purpose that you chose to do the certain project in the first place or it could mean the purpose of the experiment.
A purpose is why u are doing an experiment
the purpose of science fair projects is teachers want the students to be educated , but also have fun so put science , fairs , and fun together and create science fairs.
The purpose is to heat up a ingred
j
To indicate the temperature?
A universal indicator is an indicator that changes color along with changes in pH level. The purpose of using it is to find a point at which a mixture of acid and base becomes neutral.
the purpose of a pH indicator in the manufacturing of fruit juice is so they can tell if the juice is too acidic or not enough.
they r 4 and 99.....
Biuret
Universal Indicator is used to test for the acidity of a solution, because the universal indicator has a wider range of pH that it can explain why a substance is acidic or basic.
The ISI Web of science is a bibliographical database in the field of science. Its purpose is to provide access to multiple databases in the field of science.
Purpose on a science fair is basically what was the purpose that you chose to do the certain project in the first place or it could mean the purpose of the experiment.
the question of your science project
for science
No
It is an indicator. If you don't know the answer check your science book.