1- According to the SDS for HCl, a solution of 37% HCl can be poured down the drain.

2- What are the NFPA ratings for sodium hydroxide pellets?

Report the following in each blank:

Blank # 1: Health

Blank # 2: Fire

Blank # 3: Reactivity

Question 25 options:

Blank # 1——-

Blank # 2——-

Blank # 3———

3- Question 23 options:

Sigma Aldrich is a popular chemical manufacturer. Go to the website (https://www.sigmaaldrich.com/united-states.html) and search for the chemical hydrochloric acid, ACS Reagent 37%. Open the Safety Data Sheet (SDS). Use the SDS to complete the following sentence:

The density of HCl is ———–

Which of the following is an inappropriate use of glassware?

• Over-tightening a clamp to the glassware.

• Quench a beaker in ice after heating directly under a bunsen burner.

• Check the glassware for flaws before use.

• Pick-up broken glass with your hands.

5- Which of the following is false regarding appropriate use of a pipet?

• Use a pipet pump to draw liquid into the pipet.

• Use your finger to stopper the pump before dispensing liquid

• Use your mouth to dispense liquid.