Statistics for O level Chemistry Chapter 1: Measurements in Chemistry

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Question	Answer	% Correct
To what accuracy does a pipette measure volume to?	0.1cm3	100%
To what accuracy do beakers, conical flasks and measuring cylinders measure volume to?	1cm3	80%
What volume does a pipette measure?	25.0cm3	60%
What is the maximum volume a burette can hold?	50.0cm3	60%
How soluble is hydrogen and methane in water?	Insoluble	60%
How can gases be dried?	Using drying agents/hygroscopes	60%
How soluble is carbon dioxide and oxygen in water?	Slightly soluble	40%
To what accuracy does a burette measure volume to?	0.10cm3	20%
What gases do quicklime and calcium chloride dry?	All but acidic gases	20%
What gases does concentrated sulfuric acid dry?	All but alkaline gases	0%
When is upwards displacement of air used to collect gases?	When the gas is fairly or very soluble and is denser than air	0%
When is downwards displacement of air used to collect gases	When the gas is fairly or very soluble and is less dense than air	0%
When is displacement of water used to collect gases	When the gas is insoluble or slightly soluble	0%