1.4 Imagine yourself in the following situation. Circle one correct option. 1. Y

Question

1.4 Imagine yourself in the following situation. Circle one correct option. 1. You break a mercury thermometer a. leave the mercury on the floor b. immediately notify the instructor c. collect the mercury yourself d. call emergency services 2. You spill a small amount of a non-hazardous solid on the lab balance a. call emergency services b. immediately notify the instructor c. clean the spill yourseltf d. leave the spill on the lab balance 3. You spill a small amount of a hazardous material on the lab bench a call emergency services b. immediately notify the instructor c. clean the spill yourself d. leave the spill on the lab bench 4. You have a chemical spill on a large area of your body a. call emergency services b. check the MSDS and notify the instructor c. immediately wipe it up using paper towels d. immediately remove any contaminated clothing and use the safety shower 5. You notice a small star crack on the round-bottom flask a. don't worry and use this flask in your experiment b. leave this flask in the drawer c. place this flask in the trash can ned cardboard box 6. You ingested a hazardous chemical a. immediately call the local Poison Control Center b. wash your mouth with water c. try to cough d. try to induce vomiting 7. You are about to leave the lab a. clean the bench and wash your hands b. check the balance and sink c. turn off gas and water, and unplug all electrical appliances (hot plates, heating mantles, etc.) d. all of the above

Explanation / Answer

1----b

This is beacuse if mercury is not cleaned up properly, the remaining tiny droplets of mercury can cause toxic vapors for years. So it should be cleaned properly and be expereinced hand.

2----c

The spill on the lab balance sholud be cleaned immediately as if kept it will interfere the reading of the balance

3-----b

Even a small quantity of spill in the lab can lead to hazards so it should be immediately informed to the instructor so that they can asses the spill and can advice accordingly the clean-up measures

4-----d

The first measure is to wash the skin with plenty of water, further if required medical help should be taken

5----d

If put in trash it can hurt anyone, So craked galsswares should be collected separately.

6----b

Firstly wash with pleanty of water and then seek medical help immediately

7----d

All the points mentioned are necessary before leaving the lab

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