Which is an example of a safe laboratory procedure? identifying an odor by inhaling vapor handling hot objects with your hands eating or drinking in the laboratory tying back long hair and loose clothing

long hair and loose clothing

Explanation:

A laboratory is a work environment that requires some care, starting with the uniform, it has the function of protecting the professional, in this case the chemist, from eventual accidents, but the uniform is not the only important point in the safety of those who work in a lab. In addition to safety equipment, it is important for the professional to tie the hair if it is long and wear loose-fitting clothing if necessary, the professional should not identify an odor by inhaling the vapor of a substance as this substance may be toxic, it should not be Handle hot objects with your hands to avoid burns and should not eat or drink inside the laboratory to avoid contaminating the place.

answer: option c. i.e. electric current flowing “downhill” from the negative electrode to the positive electrode in a battery

explanation:

the water analogy to the circuits define the pipes (water flows) to the electric current. now, we know that the electric current flows from the positive terminal to the circuit (as shown in the diagram attached).

hence, option c is the correct answer.

the answer should be in the picture.