You have three solutions: HCl(aq), and KOH(aq), but you don't know which is which, so you test each will litmus paper. In addition, you use each solution to complete the electrical circuit for a light 1. A solution of a weak acid was tested with the ...
Bases change the color of indicators too. ... Bases do not react with metals like acids. How are bases made? Usually, these bases are created byadding pure alkali metals such as sodium into the conjugate acid. ... As such, they deprotonate conjugate acid water. For example, the ethoxide...
Why is it necessary to test the halide ions for their color in mineral oil? Why do we test the metals in water when comparing ions? 1. Briefly describe how a drying agent works. List the names and chemical formulas for five typical drying agents. 2. Elemental bromine (Br_2)reacts...
Add a drop or two of 70 percent ethanol to the swab. You don't need to soak the swab. The alcohol does not participate in the reaction, but it does serve to expose hemoglobin in blood so that it can react more fully to increase the sensitivity of the test. Add a drop or two of ...