Question

Look at the Fig 6.1 Which shows three situation

(a). A Burning Candle.
(b). An Extinguished Candle.
(c). Melting Wax.

Which of these shows a reversible change and why?​

Answer 1

Answer:

Here melting wax is a reversible change.

Explanation:

Melting of wax is a physical change. Because, you can cool the molten wax and thus solidify it again. Si, the change is also reversible.

But can you bring back the candle, once it is extinguished? No!! Why? Because it is a chemical change. So, the other 2 are irreversible changes.

Answer 2

Explanation:

$\huge\underbrace\mathfrak \red{ANSWER }$

option c : Melting Wax.