conc. H2SO4
conc. HCl
conc. HNO3
acetic acid
C. conc. HNO3
tincture iodine
paints
ink
aerated water
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
the manufacture of explosives
the manufacture of dyes
refrigerators
the preparation of drugs
Carbon dioxide
Sulphur dioxide
Ammonia
Hydrogen
it is an allotrope of carbon
it gives CO2 on heating
it contains free electrons
it is oxidised to graphitic acid
lead
chromium
zinc
tin
shaking with caustic soda solution
shaking with water
fractional distillation of liquid air
passing air over heated magnesium
adrenalin
thyroxin
insulin
epinephrine
Potassium chlorate
Hydrogen peroxide
Copper sulphate
Silver Nitrate
Nitric acid
Hydrochloric acid
Silver nitrate
Sulphuric acid
fractional distillation
fractional crystallisation
sublimation
evaporation
German silver
solder
magnalium
bell metal
Hydrogen Sulphide
Nitrogen
Carbon-di-oxide
Oxygen
methyl alcohol and acetic acid
methyl alcohol and ethyl alcohol
ethyl alcohol and pyridine
methyl alcohol and pyridine
quicklime
gypsum
soda lime
bleaching powder
Rodenticide
Herbicide
Pesticide
Fungicide
Liebig
Pasteur
Bunsen
Erlenmeyer
it is lighter than air
in the lower layers it becomes unstable
ultra-violet light is present only in the upper layers
it mixes freely with O2 in the upper layers
acetone
ether
ethyl alcohol
methyl alcohol
oxalic acid
citric acid
acetic acid
hydrochloric acid
sodium bicarbonate
sodium carbonate
carbonic acid
sodium hydroxide
a disinfectant
an analgesic
a hypnotic
a dye
Protons
Neutrons
Electrons
Protons and electrons
Tin
Silver
Iodine
Arsenic
it contains carbonates of calcium and magnesium
it contains sodium chloride
it is highly coloured
it contains suspended impurities
acetone
ether
acetic acid
methyl salicylate
tine
magnesium
zinc
copper
nervous disorders
heart diseases
anaemia
impairment of vision
Rutherford
Moseley
Niels Bohr
J.J. Thomson
Lavoisier
Priestley
Dalton
Avogadro