The incoming hot and cold lines go to separate inlets on the mixing valve. The single output will go to both the spigot and the shower head.
mixing valve in a faucet: ok I will assume you are refering to a shower valve, that is the only faucet w/a mixing valve: shut off the hot and cold water. cut out valve or unsweat it. clean and flux new valve, pipe and fittings(if used) sweat in new valve
Mixing salt and pepper is a physical change
It conserves waters by reducing the amount of flow, but increasing the pressure by mixing the water with air.
No, fizzing after mixing two chemicals is a chemical change.
No, it is physical
physical change
It depends on what you are mixing it with.
mixing cement with water is a irreversible change
After the mixing the properties of substances remain unchanged.
your mixing two chemicals together so of course its a chemical change
A simple mixing is a physical process.
A simple mixing is a physical process.