Metals and Materials ETT Flashcards
Name two properties of metals
Any two from:
- Shiny
- Conduct heat
- Conduct Electricity
- Maleable
- Sonorous
Complete the equation:
magnesium + hydrochloric acid ⇢ ___________ + __________
magnesium chloride + hydrogen
Put these metals in order of reactivity from most to least reactive:
copper, magnesium, lead
Magnesium, Lead, Copper
How do you test for hydrogen?
Hold a lit splint at the end of a test tube filled with gas, if the gas makes a squeaky pop, it is hydrogen.
Complete the equation:
copper + oxygen ⇢ ___________
copper oxide
Complete the equation:
potassium + water ⇢ _________________ + ________________
potassium hydroxide + hydrogen
Complete the displacement equation:
iron + copper sulfate ⇢ _____________ + copper
iron sulfate
What type of reaction happens when a more reactive metal ‘pushes out’ a less reactive metal?
Displacement reaction
What is the name for a rock that you can extract metal from?
Ore
Complete the equation:
carbon + lead oxide ⇢ ___________ + ____________
lead + carbon dioxide
What two things are needed for rusting to happen?
Oxygen and water
What could you do to prevent rusting?
Paint the metal
Name the acid that makes chlorides
Hydrochloric acid
Name the acid that makes sulfates
Sulfuric acid
Name the acid that makes nitrates
Nitric acid