a congenital disease
a communicable disease
an acquired disease
a contagious disease
A. a congenital disease
adrenalin
glucagon
epinephrin
thyroxin
Ammonium nitrate
Nitre
Charcoal powder
Sulphur
methane
nitrogen
carbondioxide
ethylene
Liebig
Pasteur
Bunsen
Erlenmeyer
gypsum
urea
potassium nitrate
ammonium phosphate
homogeneous, sulphates
heterogeneous, nitrates
heterogeneous, carbonates
homogeneous, silicates
whooping cough
tetanus
diphtheria
All the three
Hydrolysis
Hydrogenation
Dehydration
Dehydrogenation
Fe and C
Mn and C
Fe and Mn
Fe, Mn and C
methyl alcohol and acetic acid
methyl alcohol and ethyl alcohol
ethyl alcohol and pyridine
methyl alcohol and pyridine
solid carbon dioxide
liquid oxygen
liquid hydrogen
liquid. Chlorine
nuclear' fusion
radioactive disintegration
nuclear fission
chemical decomposition
atomic number
valency
atomic mass
atomic radius
Sir Ronald Ross
Sir Francis Haig
Dr Jagadish Chandra Bose
Sir CV Raman
nitrogen
helium
neon
argon
annealing
hardening
quenching
tempering
nickel
tin
iron
chromium
Lead
Tin
Zinc
Aluminium
calcium carbonate
sodium carbonate
magnesium sulphate
ferric chloride
oxalic acid
citric acid
acetic acid
hydrochloric acid
rapid cooling
rapid heating
slow cooling
slow heating
nickel
copper
sulphur
graphite
ferric sulphate
ferric oxalate
ferric nitrate
ferric chloride
Gasoline
Benzoline
Kerosene
Petroleum ether
oleic acid
acetic acid
palmitic acid
stearic acid
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
Tungsten steel
Manganese steel
Chromium steel
Nickel steel
Distillation of water
Action of heat on potassium chlorate
Powdering of glass
Burning of an electric lamp
Cholera
Dysentery
Diabetes
Measles
Aluminium
Silver
Copper
Magnesium