annealing
tempering
calcining
galvanising
D. galvanising
Europeans
Egyptians
Asians
Americans
glacial acetic acid
methanol
formic acid
stearic acid
Gasoline
Kerosene
Sulphuric acid
Alcohol
benzene
methane
ethane
butane
Phenol
Benzaldehyde
Formaldehyde
Acetic acid
iron with very low percentage of carbon
iron with high percentage of carbon
iron and chromium
iron and manganese
its molecular weight is low
it is denser than ice
it is a good solvent for many ionic substances
the molecules of water are joined by hydrogen bonds
cotton
wool
cellulose
silk
Potassium chlorate
Hydrogen peroxide
Copper sulphate
Silver Nitrate
Cataphoresis
Osmosis
Dehydration
Diffusion
Rodenticide
Herbicide
Pesticide
Fungicide
adding milk of lime
filtering through sand
adding filter alum
chlorination
Carbon dioxide
Ammonia
Chlorine
Hydrogen sulphide
Lavoisier
Priestley
Dalton
Avogadro
A - Z
A + Z
Z
A
Na2CO3 . 10H2O
NaHCO3
Na2CO3 . H2O
NH4CI
Vitamin B6
Vitamin C
Vitamin K
Vitamin D
Lead
Tin
Zinc
Aluminium
Wohler
Dalton
Lavoisier
Fischer
increases the atomic mass of the atom
decreases the atomic mass of the atom
increases the charge on the nucleus
decreases the charge on the nucleus
Carbon dioxide
Sulphur dioxide
Ammonia
Hydrogen
nitric acid
ammonia
nitrous acid
nitrogen peroxide
tincture iodine
paints
ink
aerated water
Astatine
Francium
Tritium
Zirconium
Law of Multiple Proportions
Law of Definite Proportions
Law of Conservation of Mass
Law of Reciprocal Proportions
nickel
zinc
chromium
copper
from coal mines
when wood is burnt in excess of air
by heating coal out of contact with air
by heating wood out to contact with air
acid fumes
sodium bicarbonate
carbon dioxide
sodium carbonate
P1V1T1 = P2 V2 T2
P1V1T2 = P2V2T1
P = P1 + P2 + P3
C =
Terylene
Rayon
Nylon
Silk