Question

which statement is correct about reading a burette?
a) markings increase from bottom to top and are read based on the upper number reading going down
b) markings increase from top to bottom and are read based on the upper number reading going down
c) markings increase from bottom to top and are read based on the lower number reading going up
d) markings increase from top to bottom and are read based on the lower number reading going up

Explanation:

A burette is a laboratory instrument used for dispensing precise volumes of liquid. The markings on a burette increase from top to bottom. When taking a reading, it is based on the lower meniscus (the curved surface of the liquid). So, the markings increase from top to bottom and are read based on the lower number (the lower meniscus).

Answer:

b) markings increase from top to bottom and are read based on the lower number