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Total cards: 15•Content version: v3•Public deck•Updated: 8/1/2026

Card preview (15)

#1
Front (Question)

what is the formula of a nitrate ion

Back (Answer)

NO3 -

#2
Front (Question)

what is formula for a carbonate ion

Back (Answer)

CO3 2-

#3
Front (Question)

what is the formula for a sulphate ion

Back (Answer)

SO4 2-

#4
Front (Question)

what is formula for an ammonium ion

Back (Answer)

NH4+

#5
Front (Question)

what is the colour of the halogen Cl 2 dissolved in water

Back (Answer)

pale green

#6
Front (Question)

what is the colour of the halogen Br 2

Back (Answer)

orange solution

#7
Front (Question)

what is the colour of the halogen I2 dissolved in water

Back (Answer)

brown solution

#8
Front (Question)

what is the colour of I2 dissolved in cyclohexane

Back (Answer)

purple

#9
Front (Question)

what is the test and positive result for cl ions

Back (Answer)

react with AgNO3, forms a white precipitate soluble in dilute ammonia

#10
Front (Question)

what is the test and positive result for Br ions

Back (Answer)

react with AgNO3, forms a cream precipitate that is soluble in conc ammonia

#11
Front (Question)

what is the test and positive result for I ions

Back (Answer)

react with AgNO3 forms a yellow precipitate, not soluble in ammonia

#12
Front (Question)

what is the test and positive result for carbonate ions

Back (Answer)

react with any acid, bubbling + turns limewater cloudy,

#13
Front (Question)

what is the test and positive result for Sulfate ions

Back (Answer)

react with barium ions eg. Ba(NO3)2 will produce a white precipitate

#14
Front (Question)

what is the order of tests for halide ions

Back (Answer)

carbonate test then sulfate test then halide test.

#15
Front (Question)

what is the test and positive result for ammonium ions

Back (Answer)

react with NaOH and heat, will turn damp red litmus paper blue.