A-Z: Elements and other chemicals - Statistics

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This quiz has been taken 583 times
The average score is 17 of 26

Answer Stats

	Clue	Formula	Chemical	% Correct
C	Gas which animals breathe out and plants take in	CO₂	Carbon dioxide	98%
H	Gas which is the commonest element in the universe	H	Hydrogen	98%
A	Element sometimes used to poison people in the past	As	Arsenic	94%
G	Sugar which is the body's primary source of energy	C₆H₁₂O₆	Glucose	91%
L	A sugar found in milk	C₁₂H₂₂O₁₁	Lactose	91%
U	Radioactive element used for nuclear power	U	Uranium	91%
W	Useful liquid	H₂O	Water	90%
X	Noble gas used in anaesthetics, and also breathed in by patients who are given an MRI scan of the lungs	Xe	Xenon	90%
K	Elemental gas used in some high-powered lasers	Kr	Krypton	89%
M	The main component (95%) of natural gas, this is also responsible for about a quarter of global warming	CH₄	Methane	88%
F	Yellow gas element used in refrigerants and electrical insulation	F	Fluorine	83%
B	Component of petrol, also used for lighter fluid and gas stoves	C₄H₁₀	Butane	75%
I	Very soft metal with atomic number 49, used in flat-panel displays	In	Indium	73%
O	The densest naturally occurring element	Os	Osmium	71%
Y	Element which is used in the manufacture of radar	Y	Yttrium	69%
Q	Anti-malarial medication	C₂₀H₂4N₂O₂	Quinine	60%
E	Used as an alloy to soften other metals, it has atomic number 68	Er	Erbium	55%
D	Isotope of hydrogen used in the nuclear industry	²H or D	Deuterium	50%
R	Another name for vitamin B2	C₁₇H₂0N₄O₆	Riboflavin	47%
S	Also known as baking soda or bicarbonate of soda	NaHCO₃	Sodium bicarbonate	46%
N	Highly corrosive chemical, used in explosives	HNO₃	Nitric acid	38%
P	Preservative and flavouring in fizzy drinks	H₃P O₄	Phosphoric acid	27%
V	Another term for niacin, which the body uses to generate energy	C₆H₅NO₂	Vitamin B3	16%
T	The main psychoactive chemical of cannabis	C₂₁H₃₀O₂	Tetrahydrocannabinol	15%
Z	The main component of ZBLAN glass, used in lasers, it has four fluorine atoms	ZrF₄	Zirconium tetrafluoride	14%
J	Perfume found in and named after a certain tropical plant	C₁₄H₁₈O	Jasminaldehyde	3%

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