Chemistry - GCSE Definitions (Core) - Statistics

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General Stats

This quiz has been taken 1,246 times
The average score is 10 of 29

Answer Stats

Definition	Term	% Correct
Sub-atomic particle with a negative charge	Electron	96%
Atoms bonded together chemically	Compound	83%
Chemical bonds that occur in non-metal compounds	Covalent Bonds	78%
The columns of a periodic table which have similar properties	Groups	68%
A mixture of elements including a metal, and mainly metals e.g Steel	Alloy	56%
The molecule of a single carbon and a single oxygen atom	Carbon Monoxide	51%
Group of metals in the centre of the periodic table	Transition Metals	50%
A rock containing enough metal compound to be economically extracted	Ore	49%
The process of extracting molten metals using charged electrodes	Electrolysis	44%
Hydrocarbons with unsaturated carbon bonds	Alkene	42%
A solution of calcium hydroxide that can test for Carbon Dioxide	Limewater	37%
The process of producing ethanol using yeast	Fermentation	36%
The process of separating hydrocarbons based on different boiling points	Fractional Distillation	34%
A diagram showing the reactivity of different metals, carbon and hydrogen	Reactivity Series	34%
The layer of the earth that contains magma	Mantle	31%
The process of breaking down long chain hydrocarbon molecules	Cracking	28%
Fuels that are made of plant or animal products	Biofuels	23%
Breaking down of a compound by heating it	Thermal Decomposition	22%
The reaction that produces polymers from alkene molecules	Polymerisation	20%
Pollutant that causes acid rain and comes from burning fossil fuels	Sulphur Dioxide	18%
The cause of plate movements that occurs in the answer above	Convection currents	11%
Substances that can be broken down by microorganisms	Biodegradable	10%
Extraction of copper using bacteria to create a copper solution	Bioleaching	9%
The reaction that produces ethanol from ethene and water	Hydration	9%
Extracting copper from ore using plants and burning them	Phytomining	9%
A substance that forms emulsions when added to water and oil	Emulsifier	4%
The name of unsaturated oils that have been hardened	Hydrogenated Oils	1%
The experiment that formed amino acids when representing the early atmosphere	Miller-Urey Experiment	1%
The machine used to breakdown Calcium Carbonate	Rotary Lime Kiln	1%

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