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Exam Notes

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

Card preview (24)

#1
Front (Question)

Explaining diffusion

Back (Answer)

Don’t confuse with rates technique

#2
Front (Question)

Separating a mixture containing salt and water

Back (Answer)

Simple distillation

#3
Front (Question)

Preparation of CO2

Back (Answer)

Tap funnel

#4
Front (Question)

Colour change when CuCO3 thermally decomposed

Back (Answer)

Green > black

#5
Front (Question)

Rust reactions

Back (Answer)

Take a week

#6
Front (Question)

Nitric acid

Back (Answer)

HNO3

#7
Front (Question)

Water of crystallisation

Back (Answer)

Heat to constant mass to ensure all of the water has been removed from the crystals

#8
Front (Question)

Iconic substances don’t conduct when solid

Back (Answer)

Particles only vibrate

#9
Front (Question)

Electrolysis

Back (Answer)

Refer to ions

#10
Front (Question)

Gold

Back (Answer)

NOT too unreactive, just does not react

#11
Front (Question)

Use excess

Back (Answer)

Because…. JEM HELP!!

#12
Front (Question)

Ion which caused solutions to be acidic

Back (Answer)

H+

#13
Front (Question)

Flame test

Back (Answer)

Dip platinum/nichrome wire in HCl

#14
Front (Question)

When naming substance responsible for observations

Back (Answer)

Name compound (not ion!)

#15
Front (Question)

Energy level diagrams

Back (Answer)

ΔH is the vertical line Ea is the bump (draw straight line next to it as label)

#16
Front (Question)

Q

Back (Answer)

Remember to add volumes of acid and alkali

#17
Front (Question)

Calorimetry variables

Back (Answer)

Distance, insulation

#18
Front (Question)

Why is percentage yield small in reversible reactions?

Back (Answer)

Dynamic equilibrium was not reached

#19
Front (Question)

Crude oil enters the column,

Back (Answer)

heated, until it is vaporised

#20
Front (Question)

Fraction with the largest molecules

Back (Answer)

Bitumen

#21
Front (Question)

When drawing ester functional group

Back (Answer)

Include other bonds

#22
Front (Question)

Control variables

Back (Answer)

If in doubt, use MOLES not mass

#23
Front (Question)

Why repeat?

Back (Answer)

To take a mean average, help identify anomalous results and obtain reliable results

#24
Front (Question)

Ethanol used instead of water in solutions because

Back (Answer)

it’s a better solvent