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.
|Column A||Column B (zone)||Column C (colour)|
|(a) hottest part ||(i) innermost zone|
(x) blue of
|(b) moderately hot||(ii) middle zone of||(y) black partial|
|(c) least hot||(iii) outer zone of||(z) yellow|