Question

take place in iron if we heat it for long time?*

1️⃣ Get hot
2️⃣ Become red
3️⃣ It melts
4️⃣ All of these​

Answer 1

Answer:

It depends upon temperature. (all of them can happen)

Explanation:

: if you heat iron constantly in 100 degree Celsius it will become hot

: if you heat iron constantly in 500-900 degree Celsius It will become Red

: Finally, if you heat iron in its melting point (1657 degree Celsius) It will melt.