Late answer:
Chromosphere.
Q3.) acidic
q4.)that the solution is acidic
q5.)that the solution is alkaline
The arrow doesn’t “point” to anything really, it means that the reactants form (or change) into the products.

Now, balance the equation:


in gaseous state exist as a diatomic molecule.
Answer:
As a substance changes from a solid to a liquid to a gas, its molecules first the molecules are moving fast enough, they are able to "escape." They leave the surface of the liquid as gas molecules. Evaporation is not the only process that can change a substance from a liquid to a gas. The same change can occur through boiling.
Explanation: