Question

Select all steps below that ensure laboratory safety during the experiment you carried out. Using test tube tongs to handle the hot test tubes reading the graduated pipette accurately checking the beaker for chips prior to heating on the hot plate turning off the hot plate after use

Answer 1

using test tube tongs to handle the hot test tubes

checking the beaker for chips prior to heating on the hot plate

turning off the hot plate after use

Answer 2

Explanation:

While working in a laboratory it is very important to ensure that all safety measures are being followed otherwise it is possible that an accident in the laboratory can lead to harmful effects to a person.

For example, while heating a test tube we should use tongs so that our hand do not burn or feel the heat.

Also, check the apparatus carefully before using them to check if there are any chips or not.

Hence, we can conclude that steps to ensure laboratory safety during the experiment you carried out are as follows.

• Using test tube tongs to handle the hot test tubes
• checking the beaker for chips prior to heating on the hot plate
• turning off the hot plate after use