Fixatives that contain picric acid include: Check all that apply

Match the maximum exposure limits for formaldehyde.

Two point charges, +3Q (left) and -Q (right), are separated by 10 cm. At what position(s) along the line passing through them is the electric field zero?  Give your answer in cm relative to the -Q charge where the positive direction is to the right.

Determine whether or not the vector field is conservative. ​ ​

Find the length of the space curve given below. 

Which of the following are physical hazards?Check all that apply

Determine whether or not the vector field is conservative.  ​ ​

List 4 items that are required on an SDS (MSDS) sheet.

Match the color triangles of the hazards associated with the NFPA hazard identification symbol:

Potential hazards encountered in the laboratory include:Check all that apply