During the developing of a tlc plate, it is common to place a cover over the developing chamber and have a piece of moist filter paper line the walls of the tlc chamber. what is the purpose of the moist filter paper in the tlc chamber during a thin layer chromatography experiment?
a. to allow evaporation from the tlc plate during development
b. to ensure that the solvent level is always above the sample spots
c. to ensure that the air in the chamber is saturated with solvent vapor
d. to keep the solvent front 5 to 10 mm from the top of the plate

Which of these options are the correct sequence of actions for content to be copied and pasted? select content, click the copy button, click the paste button, and move the insertion point to where the content needs to be inserted. click the copy button, select the content, move the insertion point to where the content needs to be inserted, and click the paste button. select the content, click the copy button, move the insertion point to where the content needs to be inserted, and click the paste button. select the content, move the insertion point to where the content needs to be inserted, click the copy button, and click the paste button.

What is the main benefit of minimizing the ribbon in word? more options will be accessible through customized keystrokes. more of the document will be viewable without needing to scroll. fewer controls will be accessible to the user by using the mouse. fewer editing options will be available without entering a password.

Which of the following is not an enhancement to the standard wiki to make it more attractive for corporations? encryptionwork spacespermission toolspredictive text