Question

Which of the following is not a lab rule ?

• A. Acid can be diluted by adding acid into water
• B. Acid can be diluted by adding water into acid
• C. Be acquainted with the handling of first aid kit and fire extinguisher
• D. Do not handle chemicals with the with bare hands

Answer 1

Answer:

B. Acid can be diluted by adding water into acid

• The established safety rule is to always add acid to water, never the other way around.

• Adding water to acid can cause a violent exothermic reaction, leading to splashing and potential injury.

• "Always add acid to water slowly" is an essential precaution found in good laboratory