3.1

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

Test for Ammonium reagent?

Back (Answer)

NaOH

Front (Question)

Equation for ammonium and sodium hydroxide?

Back (Answer)

Front (Question)

Colour change when testing for Ammonium?

Back (Answer)

Use damp litmus paper- red to blue

Front (Question)

Test for Sulfate reagent?

Back (Answer)

BaCl or other SOLUBLE Ba

Front (Question)

Positive result for sulfate ion?

Back (Answer)

White ppt. Beware false positives with carbonate ions.

Front (Question)

Equation for Sufate ion test?

Back (Answer)

Front (Question)

Test for carbonate reagent?

Back (Answer)

HCl or other acid

Front (Question)

Positive observation for carbonate?

Back (Answer)

Fizzing

Front (Question)

What’s a real world use for carbonate testing?

Back (Answer)

HCl used to test for carbonates in rock samples

#10

Front (Question)

Write and equation testing for carbonate

Back (Answer)

#11

Front (Question)

Reagent for halide ions?

Back (Answer)

Silver nitrate, AgNO3

#12

Front (Question)

What are halide ions?

Back (Answer)

Cl-,Br-,I-

#13

Front (Question)

Chloride plus silver nitrate observation?

Back (Answer)

White ppt

#14

Front (Question)

Bromide plus silver nitrate observation?

Back (Answer)

Creat ppt

#15

Front (Question)

Iodide plus silver nitrate observation?

Back (Answer)

Yellow ppt

#16

Front (Question)

Silver nitrate plus halide equation?

Back (Answer)

#17

Front (Question)

halide and silver nitrate precipitate: what happens when adding dilute ammonia? What about concentrated ammonia?

Back (Answer)

#18

Front (Question)

Define first ionisation energy

Back (Answer)

Energy needed to remove one mole of electrons from one mole of gaseous atoms

#19

Front (Question)

Which factors affect ionisation energy?

Back (Answer)

• HIgher nuclear charge = higher IE • bigger atomic radius = lower IE • more electron shells = lower IE

#20

Front (Question)

Define disproportionation

Back (Answer)

A reaction in which the same element is both reduced and oxidised

#21

Front (Question)

What are the benefits and risks of chlorine water treatment?

Back (Answer)

• Benefits-Kills harmful bacteria • Risk- Chlorine is toxic • Risk- formation of chlorinated hydrocarbons

#22

Front (Question)

define oxidising agent

Back (Answer)

The reactant causing the oxidation (gains electrons)

#23

Front (Question)

Define reducing agent

Back (Answer)

Reactant causing the reduction (gains electrons)

#24

Front (Question)

Back (Answer)