SCIENCE
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Nevertouch or taste chemicals.
|
|
|
Keepall chemicals in open containers.
|
|
|
Keepopen flames within six inches of all chemicals.
|
|
|
Wipeup chemical spills at the end of each experiment.
|
Detailed explanation-1: -Never touch any chemical with your bare hands. Use appropriate containers to dispense liquids and a spatula for solids. Use rubber gloves to clean up spills or contamination. Keep hands away from your face, especially from eyes and lips.
Detailed explanation-2: -Don’t Taste or Sniff Chemicals For many chemicals, if you can smell them then you are exposing yourself to a dose that can harm you! If the safety information says that a chemical should only be used inside a fume hood, then don’t use it anywhere else. This isn’t cooking class-don’t taste your experiments!
Detailed explanation-3: -Laboratory chemicals should never be tasted. A pipet bulb, aspirator, or mechanical device must be used to pipet chemicals or to start a siphon. To avoid accidental ingestion of hazardous chemicals, pipetting should never be done by mouth.
Detailed explanation-4: -Do not return chemicals to their original packaging. Keep chemical containers closed. Never use a wrong or an unmarked reagent. Never put spatulas, stirrers or other objects into a storage container for chemicals. More items
Detailed explanation-5: -All chemicals must be stored in a safe, secure location. Shelves should be level, stable, and secured to the wall or another stable. Store chemicals away from direct sunlight, sources of heat, and egress pathways. Hazardous chemicals must be stored below eye level. More items