Question

if an acid is splashed on your skin, wash it at once with
○ soap
○ oil
○ weak base
○ plenty of water

when you are finished working with chemicals, biological specimens, and other lab substances, always
○ treat your hands with skin lotion
○ wash your hands thoroughly with soap and water
○ wipe your hands on a towel
○ wipe your hands on your clothes

hot glass looks the same as cold glass
○ true
○ false

Explanation:

1. For acid on skin, flushing with large amounts of water dilutes and removes the acid safely; soap, oil, or weak base can cause further reactions or damage.
2. After handling lab substances, soap and water effectively remove residual chemicals and biological materials that towels, clothes, or lotion cannot eliminate.
3. Hot glass has no visible difference in appearance compared to cold glass, making it a common lab hazard.

Answer:

1. plenty of water
2. wash your hands thoroughly with soap and water
3. True