Which of the following pairs is mismatched? a. sodium hypochlorite-chlorine b. formalin-formaldehyde c. iodophor-iodine d. phenolics-peracetic acid e. benzalkonium chloride-quaternary ammonium compound

The mismatched pair is : D. phenolics-peracetic acid

Explanation:

A. sodium hypochlorite-chlorine: Correct pair

Sodium hypochlorite solution (NaOCl) is made from the reaction of chlorine and sodium hydroxide solution.

B. formalin-formaldehyde : Correct pair

The formalin solution is a 37% aqueous solution of formaldehyde.

C. iodophor-iodine : Correct pair

Iodophor, a combination of iodine and solubilizing agent. When diluted with water, iodophor releases free iodine.

D. phenolics-peracetic acid : wrong pair

Phenolics is a noun used for phenols, aromatic hydrocarbons with a hydroxyl group. Whereas, peracetic acid or peroxyacetic acid is an organic peroxide.

E. benzalkonium chloride-quaternary ammonium compound: Correct pair

Benzalkonium chloride is a quaternary ammonium organic salt, used as a cationic surfactant.

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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