A student titrated citric acid with sodium hydroxide solution. This is the method used.
1. Pipette 25.0 cm of sodium hydroxide solution into a conical flask.
2. Add a few drops of thymol blue indicator to the sodium hydroxide solution
Thymol blue is blue in alkali and yellow in acid,
3. Add citric acid solution from a burette until the end-point was reached.
0 3
2 Explain what would happen at the end-point of this titration
Refer to the acid, the alkali and the indicator in your answer.
[3 marks]

first one is the correct answer

answer: they produce more slow than unicellular organisms.

you didnt put any of the following

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.