Anu wants to boil water quickly in a test tube. On observing the different zones of the flame, she is not able to decide which zone of the flame will be best for boiling water quickly. Help her in this activity.

Question

Anu wants to boil water quickly in a test tube. On observing the different zones of the flame, she is not able to decide which zone of the flame will be best for boiling water quickly. Help her in this activity.

Philoid · Accepted Answer

The outermost layer of the flame is the hottest part. So, if she wants to boil the water quickly, she will have to keep the test tube at the outermost layer.