Using Resources Flashcards
What’s the difference between potable water and pure water
Potable water is water that is safe to drink whereas pure water is just H20.
What’s an alloy
A mixed metal e.g tin,aluminium
What is a pure metal
One metal with no mixture e.g-silver
What is a property of a polymer
Stretchy,drys quickly
What is a property of a composite
Strong,versatile,(different composites have different properties depending on what’s it’s made for)
What’s a property of ceramics
Very brittle , excellent conductor of heat and electricity
What is galvanisation
Spraying a coat of zinc over a metal as a protective layer
What is galvanisation
Spraying a coat of zinc over a metal as a protective layer
What is the sacrificial method
Placing a more reactive metal with a metal you want to protect
What is the equation for the Haber process?
N2+3H2 ⇌ 2NH3
What is the temperature,pressure and catalyst for the haber process?
Temp)450-500°
Pressure)200xatm
Catalyst)iron
