This form of assessment is often referred to as evaluation (see section below on Assessment versus Evaluation). Learner assessment represents a particular type of educational assessment normally conducted by teachers and designed to serve several related purpose (Brissenden and Slater, n.d.).
the formula of borax is Na2B4O7Â·10H2O or alternatively to make the structure more explicit, Na2[B4O5(OH)4]Â·8H2O. It is usually called sodium tetraborate decahydrate or diso â¦ dium tetraborate decahydrate. Liam Frayne.
Original photo by Walkerma. Borax and boric acid are essentially the same thing and normally associated with making homemade laundry soap. Both materials contain the element boron. Usually, Borax is mined and refined from tourmaline, kernite, and colemanite. Boric acid is mined from the mineral sassolite. In general, the two materials act the same and, in theory, can control pests equally well (although that wasnât my personal experience). The way that these materials work is by eroding the waxy coating on an insectâs skin, which causes it to dehydrate and die.