Inorganic Chemistry AS AQA - Statistics

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Answer Stats

Questions	Answer	% Correct
Does the atomic radii increase or decrease down the period?	Decrease	94%
What block is Magnesium located in?	s block	65%
What is the ionisation energy trend across a period?	increases	63%
Describe the general trend of reactivity down group 2	increases	63%
Describe the solubility trend of hydroxide ions down group 2.	Increases	63%
What is the colour of Chlorine?	Green	61%
Down group 2, does the melting points decrease or increase?	Decreases	50%
Describe the electronegativity trend down group 7.	Decreases	50%
Halide ions are good _______ agents.	Reducing	49%
Which is a better reducing agent: chloride or iodide?	Iodide	47%
Halegons are good ______ agents.	Oxidising	47%
Magnesium helps to extract what from ores?	Titanium	15%
What is barium sulfate used in?	X rays	13%
What do you use to test for carbonates?	HCl	11%
What does Chlorine gas and Sodium hydroxide react to make?	Bleach	7%
Chlorate ions are good at what?	Killing bacteria	6%
Before adding Silver nitrate, what does adding nitric acid do?	Removes impurities	4%
What does HCl and BaCl2 test for?	Sulfate ions	4%
What does the red litmus paper and NaOH test for?	Ammonium ions	3%
What is Mg(OH)2 used for?	Neutralises stomach acid	3%
Why does the melting point decrease down group 2?	Metallic structure	2%
Disproportation occurs when what two substances react?	Water and Chlorine	2%

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