Here you cannot only read what acid, battery, calcium carbide  .....unsaturated means.
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Acid
acid rain
addition
alkaline solution
alcohol
aldehyde
allotropes
analysis
atom

B attery
Beilstein test
boiling
boiling point
bonding electrons
brittle
bromine water
butter

Calcium carbide                                
cheese
chemistry
chromatography
cohesion
complex ion
compound
condensation
corrosive
cream
crystal
 

Decay
density
diffusion
direct redox reaction
distillation
dyes

Electric conductivity
electrochemistry
electrode
electrolysis
electrolytic cell
element
energy
ester
evaporation

Fat
fatty acid
fermentation

Galvanic cells
glucose
gravimetry

Half cell
halogen
hard water
heat
heat of neutralisation
homologous series
hybridisation (sp3)
hydrocarbons

Indicator
indirect redox reaction
ion
isomerism

Lattice
LED =light emitting diode
ligand
limestone / lime water

Malleable
mass
matter.html
measE.html
melting
melting point
micrecolA
micrecolE
mixture
molar mass
molar volume
mole
molecule
Multifiber6

Neutralisation
nutrients

Orbitals
organic chemistry
organic compounds
osmosis
oxidation

Paper chromatography
Peptide
pH
piezo quarz
precipitation
primary alcohols
protein
protolysis
periodic table of elements
pouring off ("decantation")
pure substance

Quicklime

Radicals
reaction mechanism
reaction type
reduction
redox reactions
reducing surface tension
resublimation
rust
rust prevention

Salt      
scales and weights
secondary alcohols
sedimentation
sigma bonds
slaked lime
soft water
soil
solidification
solution
spark giver
sp³-hybridisation
sp³-hybrid orbitals
sublimation
substance  
substitution
sulfate ions
surface tension
suspension
synthesis

Vinegar
volume

Water of crystallisation

Tertiary alcohols
Tetrahydron
Titration
 

Unsaturated compounds ___________________________________________________________________________________________________