Using Resources Flashcards
(11 cards)
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
