WorksheetsInorg Chem Lab - Safety and Apparatus
Total questions: 20
Worksheet time: 20mins
A student suddenly screamed due to the sensation she felt when she accidentally held on to this portion of the electric cord while plugging the analytical balance. Which of the following should be done in this scenario?
Remove the source of shock as soon as possible
Induce vomiting on student
Flush affected area with water for at least ten minutes
Apply pressure on the affected area
A student was not wearing his laboratory goggles when a chemical splashed on his eye as he was pouring the contents of his beaker into another container. Which of the following should be done in this scenario?
Immediately flush eye with a stream of water for at least ten minutes
Apply saturated bicarbonate solution on the eye
Apply antiseptic and bandage on the eye
Apply ointment and bandage on the eye
Which of the following should be worn when working in the laboratory?
Safety goggles, laboratory coat, and fully enclosed footwear
Safety goggles, laboratory coat, and open-toed shoes
Safety blanket, laboratory coat, and sandals
Safety goggles, laboratory coat cut above the knee, and high heels
General guidelines for preventing accidents in the laboratory include the following except:
Work independently without the supervision of your instructor
Familiarity with the location of safety equipment
Knowledge of first aid and emergency measures
Wearing complete laboratory apparel
While performing an experiment, you have accidentally broken a flask and spilled the caustic chemical on the table. Which of the following best explains what you should do?
Caution your lab classmates to avoid the area while you inform the teacher of the small accident
Clean up the chemical spill using a water and paper towels; place the broken flask in the disposal container specified by the teacher for sharp objects
Throw the broken glass into the nearest trash bin and let the spill air dry
Quickly dispose of the broken glass, wipe up the spill with the nearest cloth, and hope nobody notices
To determine the concentration of a sample, titration using a standard base solution will be employed. Which of the following is appropriate to use?
This glass apparatus is used to transfer varying amounts of liquid in the milliliter range
None of the choices
When studying a chemical, it is important to touch, taste, and smell it so that you know a lot about it. After every experiment, wash your hands thoroughly.
Only the second statement is correct
Only the first statement is correct
Both of the statements are correct
None of the statements are correct
Long and curly hair, hanging jewelry, and loose clothing are not that dangerous in the laboratory. However, as a general rule, everyone must always wear the proper laboratory apparel while performing an experiment inside the laboratory premises.
Only the second statement is correct.
Only the first statement is correct
Both statements are correct
None of the statements are correct
What laboratory apparatus is missing in the given set-up?
Glass funnel
Glass adapter
Separatory funnel
Buchner funnel
Do not drink, eat, or smoke inside the laboratory. Do not drink from laboratory glasswares.
First statement is correct.
Second statement is correct.
Both statements are correct.
Both statements are incorrect.
Do not store food or beverages in refrigerators and storage area that are used for laboratory operations. Guest are welcome to enter the laboratory premise.
Only the first statement is correct.
Only the second statement is correct.
Both statements are correct.
Both statements are incorrect.
Use your mouth to provide suction in a pipette. Always use a bulb to draw chemicals in a pipette.
Only the first statement is correct.
Only the second statement is correct.
Both statements are correct.
Both statements are incorrect.
Use fume hoods whenever toxic or noxious gases or fumes are likely to be evolved. Directly smell the vapors above the containers when testing odors.
Only the first statement is correct.
Only the second statement is correct.
Both statements are correct.
Both statements are incorrect.
Use clean and dry glasswares all the time. Ensure cleanliness of the working area before, during, and after the laboratory period.
Only the first statement is correct.
Only the second statement is correct.
Both statements are correct.
Both statements are incorrect.
Use appropriate spatula for transferring solid reagents.
True
False
Always read all the laboratory signages and instructions.
True
False
Wearing of jewelries such as rings, watches, or other types of jewelry in the laboratory are allowed.
True
False
Report accidents and dangerous incidents promptly to your laboratory instructor.
True
False
Know the location of the first aid and spill response kit, eyewash station, fire extinguisher, safety shower, fire alarm pull stations, telephone and emergency exits.
True
False
