Shared Flashcard Set

Details

GCSE Chemistry - C1
For 2013-14 GCSE Chemistry Exam
46
Chemistry
Not Applicable
12/27/2013

Additional Chemistry Flashcards

 


 

Cards

Term
The early atmosphere of earth was formed of...
Definition
Gases that escaped from volcanoes.
Term
We know the main gases were...
Definition
Water and CO2 because they are still produced by volcanoes.
Term
Oxygen is...
Definition
One of the most reactive gases in the atmosphere.
Term
Oxidation can be seen in...
Definition
Rusted metals and maintenance of fire.
Term
Recent rocks contain iron oxide, older rocks iron is not oxidised. This proves...
Definition
Oxygen levels in the atmosphere have increased.
Term
Nitrogen has...
Definition
Increased.
Term
Carbon Dioxide has...
Definition
Decreased.
Term
Oceans were formed by...
Definition
Water vapour in the atmosphere condensing and precipitating.
Term
Carbon dioxide _______ into the oceans, causing...
Definition
Dissolved, the levels in the atmosphere to drop.
Term
Early sea plants released...
Definition
Oxygen.
Term
Evolution of life caused...
Definition
Major changes to the atmosphere.
Term
The modern atmosphere contains 78%...
Definition
Nitrogen.
Term
The modern atmosphere contains 21%...
Definition
Oxygen.
Term
The modern atmosphere contains 0.03%...
Definition
Carbon dioxide.
Term
Igneous rock is formed by...
Definition
Cooling magma or lava.
Term
Sedimentary rock is formed by...
Definition
Layering sediments on the ocean floor.
Term
Metamorphic rock is formed by...
Definition
Sedimentary rock coming under heat and pressure.
Term
Igneous rock underground has...

And is Called...
Definition
Larger crystals.

Intrusive.
Term
Igneous rock above ground has...

And is called...
Definition
Smaller crystals.

Extrusive.
Term
Chalk and Limestone are...
Definition
Sedimentary.
Term
Chalk and Limestone can turn into...
Definition
Marble.
Term
Limestone, chalk and marble are made of...
Definition
CaCO3 (Calcium Carbonate).
Term
Atoms are made up of...
Definition
Protons, Neutrons and Electrons.
Term
PH is the measure of...
Definition
Acidity or Alkalinity.
Term
PH7 is...
Definition
Neutral.
Term
PH1 is...
Definition
Strong Acid.
Term
PH14 is
Definition
Strong Alkali.
Term
A base is a compound that...
Definition
Can neutralise acid.
Term
All bases are...
Definition
Metal compounds.
Term
Soluble bases are called...
Definition
Alkalis.
Term
Electrolysis is when...
Definition
A compound is split up using electrical energy.
Term
Chlorine can be produced by electrolysis of...
Definition
Seawater.
Term
The negative electrode is the...
Definition
Cathode.
Term
The positive electrode is the...
Definition
Annode.
Term
To test for hydrogen...
Definition
Lit splint in a test tube makes a pop.
Term
To test for chlorine...
Definition
Damp indicator paper bleaches white.
Term
To test for oxygen...
Definition
A glowing splint relights.
Term
Crude oil is a mixture of many...
Definition
Hydrocarbons.
Term
Crude oil can be broken into separate hydrocarbons by...
Definition
Fractional Distillation.
Term
Most hydrocarbons in crude oil are...
Definition
Alkanes.
Term
All alkanes have the formula...
Definition
CnH(2n+2)
Term
All alkanes are...
Definition
Saturated.
Term
Alkenes are hydrocarbons that have a...
Definition
Carbon-carbon double bond.
Term
Cracking is a process that...
Definition
Breaks long chain alkanes into short chain alkanes and alkenes.
Term
Alkenes are used to make...
Definition
Polymers.
Term
A single alkene is called a...
Definition
Monomer.
Supporting users have an ad free experience!