Question

Name 3 safety precautions that need to be taken when heating the test tube on bunson burner​

Answer 1

Answer: 1. Use tongs. 2. Don't look inside the container being heated. 3. Adjust the heater carefully to avoid any accidents, start from low then carefully increase the temperature.

Explanation: This is how to avoid any accidents.

Answer 2

• Never point the open end of a test tube being heated towards anyone
• Use test tube tongs to securely hold the test tube at the end farthest from the flame.
• Always use a laboratory burner in a fume hood if toxic chemical fumes will be produced during the heating process.

Step-by-step explanation:

1- This can prevent hot liquid or gas from spilling out and causing injury.

2- This can prevent burns and ensure stability.

3- This can prevent exposure to harmful substances and reduce fire hazards.