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2007367
Qualitative Testing
Descripción
This mind map shows the result of chemical reactions that are used to identify if something is present in a substance.
Sin etiquetas
chemistry
reactions
unknown
conclusion
seperate science
chemistry
gcse
Mapa Mental por
Victoria Mahon
, actualizado hace más de 1 año
Más
Menos
Creado por
Victoria Mahon
hace más de 9 años
6
0
0
Resumen del Recurso
Qualitative Testing
carbon dioxide
white precipitate when a gas is bubbled through it
lime water
chloride ion
bromide ion
iodine ion
yellow precipitate insoluble in concentrated ammonia
cream precipitate redissolves in concentrated ammonia
Silver nitrate acidic+ammonia solution
white precipitate redissolves in dilute ammonia
calcium or magnesium ions
alimunium ion
copper cu2+
iron Fe3+
Fe2+
pale green precipitate eventually goes brown/orange
Sodium hydroxide solution
brown precipitate
blue precipitate
white precipitate redissolves in excess sodium hydroxide
flame test using nichrome wire with nitric acid
brick red
calcium
crimson
lithium
lilac
potassium
green
Barium
yellow/orange
sodium
carboxylic acid
fruity smell of ester on warming
alcohol+conc H2SO4
water
blue to pink
cobalt chloride solid or paper
white to blue
copper sulphate
alcohol
fruity smell of an ester on warming
carboxylic acid +conc H2SO4
sulphate
white precipitate insoluble in acid
barium chloride solution followed by a dilute hydroxide
carbon to carbon double bonds
decolourises
bromine water orange/brown
carbonate/hydrocarbon
effervescence giving out co2
hydrochloride, sulphuric or nitric acid
hydrogen gas
gives a pop
burning splint
carbon dioxide or nitrogen gas
goes out
burning splint
oxygen
relights
glowing splint
univeral indicator liquid/paper damp paper placed in a glass
red orange
acid pH 1-4
orange/ yellow
weak acid pH5/6
green
neutral pH7
blue
weak alkali pH 8/9
purple
strong alkali pH10-14
red
SO2 or HCL
blue/purple
ammonia
bleached white
chlorine CL2
Recursos multimedia adjuntos
e0fccd9a-038b-465d-8622-bdbea0ceb8a2 (image/png)
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