in the treatment of malaria
to relieve sleepiness
to induce sleep
to lower body temperature
D. to lower body temperature
isobars
isotopes
isomorphs
isomers
Dalton
Cavendish
Avogadro
Berzelius
loss of electrons
gain of electrons
gain of oxygen
removal of hydrogen
hydrochloric acid
citric acid
tartaric acid
acetic acid
quick lime
tincture iodine
rectified spirit
None of these
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
pyrex glass
flint glass
quartz glass
Crooke's glass
calcium soaps
lead soaps
soft soaps
hard soaps
contracts while setting
expands while setting
is highly volatile
does not suffer any changes in volume while setting
Liebig
Pasteur
Bunsen
Erlenmeyer
manganese
copper
potassium
plumbum
rubbers
fibres
resins
sugars
German silver
solder
magnalium
bell metal
nuclear' fusion
radioactive disintegration
nuclear fission
chemical decomposition
ferric chloride
ferric sulphate
ferric thiocyanate
ferrous sulphate
a carbohydrate
a protein
a lipid
a hormone
Na2CO3 . 10H2O
NaHCO3
Na2CO3 . H2O
NH4CI
a deliquescent substance
an efflorescent substance
a hygroscopic substance
a dehydrating substance
Moissan
Davy
Faraday
Marie Curie
Distillation of water
Action of heat on potassium chlorate
Powdering of glass
Burning of an electric lamp
nickel
copper
sulphur
graphite
asphalt
naphtha
diesel oil
lubricating oil
atomic number
valency
atomic mass
atomic radius
6.023 x 1022
1 x 10-14
cl 6.056 x 10-6
6.023 x 1023
silica, sodium nitrate and soda ash
silica, limestone and sodium nitrate
silica, sodium oxide and limestone
silica, soda ash and limestone
an oxidation process
a reduction process
a physical change
an electro-chemical process
bakelite
polythene
PVC
Teflon
the manufacture of explosives
the manufacture of dyes
refrigerators
the preparation of drugs
nitric acid
ammonia
nitrous acid
nitrogen peroxide
Carbon disulphide
Chloroform
Carbon tetrachloride
Methylene chloride