Chemistry Questions

Endothermic reaction is the reaction in which energy is obserbed for the change.

Chemical weathering is the process of altering rocks chemically when they are broken down. It includes hydrolysis, oxidation, acid rain, etc...

Argon gas is used in fluorescent and incandescent light bulbs to stop the oxygen in the light bulbs from corroding the hot tungsten filament.

The use of argon in light bulbs prevents the evaporation of the tungsten filaments, which results in increased light bulb life.

Argon is also used to create an inert atmosphere for growing semiconductor crystals, arc welding and for processes that need protection from other kinds of atmospheric gases.

The nucleus of an atom is the densest part of an atom. It contains the protons and neutrons of an atom.

Group 1 metals are also called as alkali metals with reactive in nature and low melting points. They are soft and produce hydrogen and alkaline metal hydroxide solution when they react with water.