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Metals and Rust

memorize.ai (lvl 286)

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33 cards

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Section 1

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Speeds up rusting

Front

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Rust

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Last updated

6 years ago

Date created

Mar 14, 2020

Cards (33)

Section 1

(33 cards)

Speeds up rusting

Front

Salt or acid

Back

Rust

Front

Hydrated iron oxide

Back

Conducts heat

Front

Lets heat pass through it

Back

Ore

Front

Naturally occurring rock containing a metal or metal compound

Back

Non metal oxides are...

Front

Acidic

Back

Galvanising

Front

Coating iron in zinc

Back

Types of physical barriers

Front

Paint, plastic, oil, grease, tin, other less reactive metals

Back

Metalliod

Front

Substance with properties of metals and non-metals

Back

Sacrificial metals used

Front

Magnesium or zinc

Back

Sonorous

Front

Able to produce a deep or ringing sound

Back

Ductile

Front

Can be stretched into a wire

Back

Metal + water -->

Front

Metal hydroxide + hydrogen

Back

Malleable

Front

Can change its shape

Back

Electroplating

Front

Covering iron or steel in a less reactive metal

Back

Physical barrier protection

Front

Stops rusting as coating keeps out air and water

Back

Reactivity series

Front

Potassium, sodium, calcium, magnesium, aluminium, carbon, zinc, iron, lead, hydrogen, copper, silver, gold, platinum

Back

Needed for rusting

Front

Water and oxygen

Back

Metal + acid -->

Front

Hydrogen + metal salt

Back

Dense

Front

High mass per unit of volume

Back

Disadvantage of physical barrier

Front

Stops working if surface become scratched or broken

Back

Conducts electricity

Front

Lets electricity flow through

Back

Metal oxides are...

Front

Alkaline

Back

Corrosion

Front

Formation of a compound on the surface of a metal

Back

High melting and boiling points

Front

Melts/boils at high temperatures with lots of energy

Back

Displacement

Front

When a solid, more reactive metal displaces the other metal from its compound

Back

Shiny

Front

Reflecting light

Back

Sacrificial protection

Front

Attaching a more reactive metal to iron

Back

Rust equation

Front

Fe2O3H2O

Back

Metal + oxygen -->

Front

Oxygen + metal oxide

Back

Rusting

Front

Corrosion of iron

Back

Hard

Front

Strong resistance to force

Back

Disadvantage of sacrificial protection

Front

Stops working when more reactive metal fully corrodes

Back

Electrolysis

Front

Using electricity to separate ions in an ionic substance

Back