Some of the chemicals you will use this year are hazardous. One way of determini

Question

Some of the chemicals you will use this year are hazardous. One way of determining the risk of using chemicals is to read the Material Safety Data Sheet (MSDS). These documents provide a wealth of information regarding the safety risks of each compound. Do a web search with the key words "MSDS and Lead Nitrate". Read through the MSDS and determine the steps that need to be taken in case of accidental skin exposure (your most common risk in the lab). Look up the MSDS for both Hydrochloric Acid and Sodium Hydroxide. What steps need to be taken if there is skin exposure? Note particularly the danger of getting NaOH in your eyes and be sure to wear goggles at all times in the lab!

Explanation / Answer

1. If accidentally HCl get in contact with the skin then wash it with a base like NaOH or Na2CO3
   immediately so that it neutralizes the effect of acid.
2. Washing under a running water tap for at least 15 minutes is the basic thing if a person comes
   in contact with any of these 2 chemicals. Washing with a disinfenctant soap sometimes helps
   in the case of HCl.

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