Solid iron pellets are heated, melted and drawn into wires. This is an example of a chemical reaction. O True
O False

False

Explanation:

A change of state is not an example of a chemical reaction.

A chemical reaction cannot be reversed. This example however, can be. You can melt the wire down and them form it back into iron pellets

False

Explanation:

The key to a chemical reaction is "irreversible change". If you can change it back to what it was before, it's not a chemical reaction. This is an example of a physical change.

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

nacl is added to the aqueous of what? ? in order to get a proper answer you have to specify the exact composition of the aqueous solution.