Fill in the Blanks: Transferring Solutions

Your teacher will give you a reagent bottle containing a solution . Take out the ____________________ from the reagent bottle and put it upside down on the bench .
Hold a test tube at an ____________________ . Slowly pour the solution from the reagent bottle into the test tube until the test tube is a about one - ____________________ full .
____________________ the reagent bottle with the stopper immediately after use . Then put the test tube into a test tube ____________________ .

____________________ the rubber bulb of a dropper and do not release it . Lower the tip of the dropper into the solution in the test tube .
Release the rubber bulb slowly to ____________________ some solution into the dropper .
Let the tip of the dropper touch the inner wall of the test tube to ____________________ any droplets from the tip of the dropper .
Take the dropper to an empty test tube . ____________________ squeeze the rubber bulb to add five drops of solution into the test tube .

Test tubes laid on the bench may ____________________ off the edge and ____________________ to the ground .
Do not return the solution in the test tube to the reagent bottle to avoid ____________________ .
Never hold the dropper ____________________ ____________________ . Otherwise , the solution will go into the rubber bulb .

After the practical , wash the test tubes with a test tube ____________________ under running water .
Wash the dropper with ____________________ in another ____________________ by squeezing and releasing the rubber bulb ____________________ times .