1- According to the SDS for HCl, a solution of 37% HCl can be poured down the drain. True False 2- What are the NFPA ratings for sodium hydroxide

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

  • True
  • False

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.
  • All of the above.

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