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Chemistry - GCSE Definitions (Core)

From AQA GCSE Chemistry, Give the term for these definitions
Quiz by TheQuizard
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Last updated: January 17, 2018
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First submittedMay 10, 2017
Times taken1,075
Average score34.5%
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Definition
Term
Sub-atomic particle with a negative charge
Electron
Atoms bonded together chemically
Compound
The columns of a periodic table which have similar properties
Groups
Chemical bonds that occur in non-metal compounds
Covalent Bonds
Breaking down of a compound by heating it
Thermal Decomposition
A solution of calcium hydroxide that can test for Carbon Dioxide
Limewater
The machine used to breakdown Calcium Carbonate
Rotary Lime Kiln
A diagram showing the reactivity of different metals, carbon and hydrogen
Reactivity Series
A rock containing enough metal compound to be economically extracted
Ore
A mixture of elements including a metal, and mainly metals e.g Steel
Alloy
Extraction of copper using bacteria to create a copper solution
Bioleaching
Extracting copper from ore using plants and burning them
Phytomining
Group of metals in the centre of the periodic table
Transition Metals
The process of extracting molten metals using charged electrodes
Electrolysis
Hydrocarbons with unsaturated carbon bonds
Alkene
The process of separating hydrocarbons based on different boiling points
Fractional Distillation
The molecule of a single carbon and a single oxygen atom
Carbon Monoxide
Pollutant that causes acid rain and comes from burning fossil fuels
Sulphur Dioxide
Fuels that are made of plant or animal products
Biofuels
The process of breaking down long chain hydrocarbon molecules
Cracking
The reaction that produces polymers from alkene molecules
Polymerisation
Substances that can be broken down by microorganisms
Biodegradable
The process of producing ethanol using yeast
Fermentation
The reaction that produces ethanol from ethene and water
Hydration
The name of unsaturated oils that have been hardened
Hydrogenated Oils
A substance that forms emulsions when added to water and oil
Emulsifier
The layer of the earth that contains magma
Mantle
The cause of plate movements that occurs in the answer above
Convection currents
The experiment that formed amino acids when representing the early atmosphere
Miller-Urey Experiment
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5 Comments
shellgon26
+2
Level 35
Nov 24, 2017
Could you allow bioleeching, as it is taught both ways
TheQuizard
+2
Level 20
Jan 17, 2018
Done
EternalBoredom
+2
Level 21
May 21, 2022
Could you add "Addition polymerisation" as that is how I was taught it.
MaxTheAxe
+1
Level 74
Sep 29, 2023
Can you accept "sulfur" for "sulphur" and "polymeriZation" for "polymeriSation"
GuerillaGorilla
+1
Level 56
Feb 15, 2024
"Group" isn't accepted for "groups"
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