Yr1 chemistry (episode IV)

Clinton, she's wack. trump, he's wack. ME? I'm tight as,,,

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HintAnswer
if carbonate is present during the sulfate test, what forms?
colour of the product solution from cl2 + 2I- reaction
effervescence following a carbonate test, shows that the compound ______ a carbonate
what layer is coloured when a halogen is dissolved in cyclohexane (the ______ layer)
what is the precipitate in a limewater/co2 reaction called
colour of fluorine gas
reagent used in sulfate test (/2)
chlorine kills w____ b_____ pathogens
what is molecular formula of milk of magnesia?
how many halogen solutions does chlorine react with?
h2so4 is unsuitable for carbonate test as it contains _____ ions
what colour is bromine dissolved in cyclohexane
chlorine can be f______
group 2 bases used as ______ to treat indigestion
aqueous sodium hydroxide and chlorine react in a ____________ reaction
chlorine used as a d_____
chlorine ensures d_____ _______ is safe
what colour is calcium carbonate?
which intermolecular force determines the difference in boiling point of solid halogens
reaction between chlorine and water is limited by the l___ s____ of chlorine in water
ammonium ion is a c_____
add nitrate acid (during the carbonate test) until e____ s__
what is the charge of a barium ion
silver iodide is _____ soluble in concentrated aqueous ammonia
barium carbonate is _______ in water
suspension of white magnesium hydroxide is also called:
a halogen displacement reaction leads to a colour change. the colour is of the diatomic molecules or the halides?
halide ________ reactions show that reactivity decreases down group 7 (17)
excess barium nitrate is used to remove all ______ ____ (during the second anion test)
which chemical causes lime water to turn cloudy?
what type of analysis is a titration?
chlorine + organic hydrocarbons can form =
analysis with numerical results
the indicator you use to test for ammonium ions, indicates ____
cl2 + 2naoh -> (/3)
silver halides ______ out of solution
down group 7 (17) more electrons mean stronger ____ _____
bacteria are killed by _______ (I) ions
colour of pH indicator removed by _____ acid
the reagent in the carbonate test should be d_____?
group 2 elements are good ______ agents
chlorine in drinking water can react with organic hydrocarbons from decaying v______
what colour is chlorine dissolved in water
reactivity ______ down group two
reason for trend in down group 2 (/2)
when testing for anions. what is the first test in the sequence?
chemical formula of household bleach
silver chloride is soluble in _____ aqueous ammonia
silver halides have different ________ in aqueous ammonia
solid state halogens form lattices held together by ____ ______
HintAnswer
what happens if carbonate is present during a halide test? (what forms? a _____)
chlorine is used a _______ ______ agent by south west water
product of a positive ammonium test (/2)
a positive carbonate test forms how many products?
name the gaseous product of a positive ammonium test
product of a positive carbonate test (/3)
chlorine is extremely t_____
chlorine is a good d_______
if water contains dissolved ______ ______ then more chlorine dissolves
hcl is unsuitable for carbonate test as it contains _____ ion
carbon dioxide reacts with lime water to form:
when testing for anions. what is the third test in the sequence?
which silver halide is least soluble in aqueous ammonia?
aqueous ammonia added to distinguish between which chemical compounds (s______ ________)
bacteria are killed by _______(I) acid
lime water is a ________ aqueous solution of ca(oh)2
what should you do to the mixture in an ammonium test?
only proceed fro the carbonate test to the sulfate test, if ____ _______ is present
what precipitate forms if sulfate ions are present during the halide test?
colour of silver iodide
stronger london forces exist when there are more _______
silver carbonate and silver sulfate are both p________ in water
how many halogen solutions does iodine react with?
alkalinity, solubility and pH all increase down which group?
silver halides are different c________
to distinguish between colours, halogens are dissolved in __________
chlorine in water offers s______ after a natural disaster
ammonia gas will not produced bubbles, because ammonia is very _________ in water
solubility ______ down group 2
what should you bubble the gas produced by a positive carbonate test through?
a redox reaction in which the same element is both oxidised and reduced
reagent used in sulfate test (/2)
the ______ reactive halogen forms diatomic molecules in solution
most sulfates are ______ in water
when chlorine dissolves in water, name the product (/2)
what colour is chlorine dissolved in cyclohexane
product of a positive carbonate test (/3)
when chlorine dissolves in water, name the product (/2)
positive carbonate test shown by e_______
reagent used in sulfate test, if a test for a halide will follow after
reagent used in halide test
chlorinated hydrocarbons are c______
silver bromide is soluble in _______ aqueous ammonia
cl2 + 2naoh -> (/3)
reducing agents ______ electrons
ammonia gas will turn the indicator blue because ammonia is very _________
analysis based on observations rather than measurements
silver halides are _______ in water
cl2 +h2o -> hclo +hcl is what special type of redox reaction?
colour of silver chloride
HintAnswer
reactivity ______ down group 7 (17)
what colour is iodine dissolved in water
cl2 + 2naoh -> (/3)
product of a positive carbonate test (/3)
lime water contains which calcium based compound
which silver halide is most soluble in aqueous ammonia
at RTP, all halogens exist as _______ molecules
group 2 bases can be used to treat which medical condition
chlorine is a re________ ir________
name the bleaching ions in aqueous chlorine
molecular formula of chloric(I) acid
group 2 hydroxide used in a_____ to neutralise acid
chloric (I) acid acts as a weak b______
colour of barium sulfate
which reagent is used in the carbonate test?
group 2 elements react with water forming (/2)
trend in halogen reactivity reducing down group 17 due to (/2)
chlorine in water prevents c_____ and typhoid epidemics
aqueous ammonia is used to identify silver halides. they are hard to identify due to their similar _______
when chlorine is added to water, there is a _______ reaction
what precipitate forms if carbonate is present during the sulfate test?
in solid states, halogens form _____ _______ structures
how many halogen solutions does bromine react with?
calcium carbonate __________ out of lime water
strongest oxidising agent (element)
the least oxidising halogen
group 2 atoms all have outer subshells (in form Xz^y)
group 2 oxides react with water to form an alkaline solution of a
molecular formula for calcium hydroxide
adding a more reactive halogen to a solution with halide ions in, leads to a __________ reaction
what colour is bromine dissolved in water
colour of silver bromide
halogens are oxidising agents and they ______ other elements
barium sulfate is _______ in water
what colour is iodine dissolved in cyclohexane
during the sulfate test, add an _______ of barium nitrate
group 2 elements react with water forming (/2)
pH of solutions of group 2 elements ________ down the group
chlorine in drinking water can react with o_____ h______
outer electrons of every halogen atom (in form y^z
oxidising agents ____ electrons
the ______ reactive halogen forms forms halide ions in solution
astatine is rare because it is radioactive and _____ _______ quickly
when testing for anions. what is the second test in the sequence?
trend in halogen reactivity reducing down group 17 due to (/2)
product of a positive ammonium test (/2)
what precipitate forms if carbonate present during a halide test?
reason for trend in down group 2 (/2)
to test for ammonium, add aqueous _______ _________

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