Is solid iron pallets that are melted and drawn into wires is that chemical reaction

It is not true that this is an example of a chemical reaction. This is a typical example of physical reaction.

Most physical changes are often phase changes.

A phase change is a change in the physical state of a body.

In this change, it is from solid to liquid.

Now new substances are formed.

When substances are changed from one form to another, it is a physical change.

In a chemical change, a new substance is formed at the end of the process.

Explanation:

yess of course

if you study the steps of melting the iron and makes the ores pure, you will know that there's many reaction happen to convert to wires

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).

explanation: