EVERYDAY SCIENCE

Detailed explanation-1: -Always wear safety glasses. Always point the test tube away from any other person in the lab. Heat the test tube being held at an angle so there is a way for the gases produced to escape safely. Heat the test tube at the top of the solution not the bottom where a gas bubble can cause an explosion.

Detailed explanation-2: -Heating Safety 1) Turn off heat sources when they are not in use. 2) Point test tubes away from yourself and others when heating substances in them. 3) Use the proper procedures when lighting a Bunsen burner. 4) To avoid burns, do not handle heated glassware or materials directly.

Detailed explanation-3: -Accidents happen even heating the test tube gently at an angle can result in heating liquid being shot out of the test tube. This is why the test tube must be pointed away from any other person and why the experimenter must always wear safety glasses.

Detailed explanation-4: -Safety precautions When conducting the experiment, wear gloves and protective glasses. The vessel in which the reaction takes place should be covered with a lid to avoid splashes of boiling water and to stop potassium hydroxide from getting on the skin or in the eyes.

Detailed explanation-5: -When using a boiling tube to boil a liquid, I am frequently advised to move the boiling tube in and out of the Bunsen flame and when the liquid starts to boil, remove the tube from the flame for a few seconds before resuming.