Metals & Acids Flashcards
What is the word equation for the reaction between a metal and an acid
Metal + Acid ->Salt + Hydrogen
How could you test for hydrogen
Use a lit splint and if hydrogen is there, there will be a pop sound
Write the state symbol for solid and gas
(S)
(G)
Name 2 metals that react vigorously with oxygen in the air
Magnesium
Zinc
Name the word equation for the reaction between calcium and water
Calcium + Water ->Calcium Hydroxide + Hydrogen
Name the state symbols for liquid and dissolved state
(L)
(AQ)
Name 2 metals that react with steam but not cold water
Magnesium
Zinc
What is an ore
A rock that contains an extractable amount of a certain material
State what a ceramic material is
A compound that contain metal silicates, metal oxides, metal carbides and metal nitrides
Lsit uses of ceramics
Building
Insulators
Pottery
State what a polymer is
A substance with a very long molecule. It has identical groups of atoms repeated many times
State why low-density poly(ethene)
makes good carrier bags
Strong
Flexible
Lightweight
State what a composite material is
A mixture of materials where each material has its own properties
Name two materials in carbon-fibre
reinforced plastic
Carbon Fibres
A glue like polymer