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Total cards: 24•Content version: v3•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

Sulfur combusion observation

Back (Answer)

Blue flame

#2
Front (Question)

Define an alloy

Back (Answer)

A mixture of a metal with one or more other elements

#3
Front (Question)

Conditions for cracking

Back (Answer)

650’ and Aluminium Oxide catalyst

#4
Front (Question)

Lithium ion flame test

Back (Answer)

Red

#5
Front (Question)

Sodium ion flame test

Back (Answer)

Yellow

#6
Front (Question)

Potassium ion flame test

Back (Answer)

Lilac

#7
Front (Question)

Calcium ion flame test

Back (Answer)

Orange-red

#8
Front (Question)

Cu 2+ ion flame test

Back (Answer)

Blue-green

#9
Front (Question)

Sodium hydroxide test

Back (Answer)

Dissolve in water and add NaOH

#10
Front (Question)

NaOH test for copper 2+

Back (Answer)

Blue

#11
Front (Question)

NaOH test for Fe 2+

Back (Answer)

Green

#12
Front (Question)

NaOH test for Fe 3+

Back (Answer)

Brown

#13
Front (Question)

Ammonium test

Back (Answer)

Dissolve in water, add NaOH, gas turn red litmus blue

#14
Front (Question)

Conditions for hydration of ethene

Back (Answer)

300c, 65atm, phosphoric acid

#15
Front (Question)

Conditions for fermentation of glucose

Back (Answer)

yeast, 30c, anaerobic

#16
Front (Question)

Colour of ethanol combusting

Back (Answer)

Non-luminous, blue flame

#17
Front (Question)

Microbial oxidation of ethanol equation (and chemical)

Back (Answer)

Ethanol + 2[O] –> Ethanoic acid + water

#18
Front (Question)

Chemical oxidation of ethanol - reactants

Back (Answer)

Dilute sulfuric acid + Potassium dichromate (VI)

#19
Front (Question)

Colour change in chemical oxidation of ethanol

Back (Answer)

Orange to Green

#20
Front (Question)

How to make an ester

Back (Answer)

Mix CA and A together, add concentrated sulfuric acid, warm, add sdium carbonate

#21
Front (Question)

properties and uses of esters

Back (Answer)

Distinctive, fruity semlls used in food flavourings and perfumes

#22
Front (Question)

What does a biopolyester mean

Back (Answer)

Microbes like bacteria and fungi can use enzymes to break down the polymer into monomers as an energy supply

#23
Front (Question)

Define electroysis

Back (Answer)

The breaking down of a compound using electricity

#24
Front (Question)

What is made at cathode

Back (Answer)

Hydrogen (unless less reactive than it)