SSC
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
When working with chemicals
|
|
|
When working with a Bunsen burner
|
|
|
When doing dissections
|
|
|
Any time you are working in the lab
|
Detailed explanation-1: -Lab workers should also avoid wearing or should secure loose clothing and should tie back long hair. Loose clothing or long hair can be dragged through chemicals in beakers or open flames (such as on a Bunsen burner) or get caught in equipment.
Detailed explanation-2: -Any long hair should be tied back or confined when in the undergraduate laboratories to avoid it catching fire, being dragged through chemicals, or becoming entangled in laboratory apparatus.
Detailed explanation-3: -Laboratory coats provide additional protection to your body and your clothing and are required (students are responsible for purchase of lab coats). Long hair should be pulled back and held securely away from the face. Bulky and hanging jewelry should be removed.
Detailed explanation-4: -Loose hair and clothing must be restrained. Long hair and loose clothing that can get caught on glassware or otherwise be a hazard in lab should be pulled back. 5. Appropriate attire must be worn in lab, including shoes which cover the entire foot, and clothing which covers the legs and torso.