it is an allotrope of carbon
it gives CO2 on heating
it contains free electrons
it is oxidised to graphitic acid
C. it contains free electrons
it becomes coloured
it gets evaporated in air
it gets oxidised to phosgene
it gets decomposed to chloropicrin
ferric chloride
ferric sulphate
ferric thiocyanate
ferrous sulphate
oleic acid
acetic acid
palmitic acid
stearic acid
ethyl alcohol
chloroform
oxygen
methyl alcohol
Chadwick
Madam Curie
Becquerel
Aston
grams
pounds
carats
tons
A
C
B12
B1
1 and 3
2 and 3
1, 2 and 4
1, 2, 3 and 4
low pressure and high temperature
low pressure and low temperature
high pressure and low temperature
high pressure and high temperature
copper sulphate and water
copper sulphate, lime and water
thio-urea and lime
copper sulphate and thio-urea
tincture iodine
paints
ink
aerated water
brass
common salt
cane sugar
water
poling
tempering
calcination
galvanising
it contains carbonates of calcium and magnesium
it contains sodium chloride
it is highly coloured
it contains suspended impurities
Rusting of iron
Burning of magnesium
Sublimation of iodine
Electrolysis of water
phenol
TNT
picric acid
iodoform
copper and tin
aluminium and magnesium
copper and zinc
copper, tin and zinc
a very sweet smell
a very pungent smell
an irritating smell
no smell at all
annealing
hardening
quenching
tempering
malathion
parathion
zinc phosphide
diuron
pyrex glass
flint glass
quartz glass
Crooke's glass
Chloroform
Morphine
Streptomycin
Cocaine
tungsten
nickel
manganese
chromium
ten
twenty
zero
fifty
galena
dolomite
sylvine
pitchblende
calcium carbonate
sodium carbonate
magnesium sulphate
ferric chloride
chlorination
boiling
adding caustic soda
ozonisation
a congenital disease
a communicable disease
an acquired disease
a contagious disease
gold
zinc
tin
molybdenum
It is spontaneous disintegration of atoms
It is induced by bombardment with projectiles
It is transmutation of atoms with projectiles
It is dependent on temperature