Phenol
Benzaldehyde
Formaldehyde
Acetic acid
C. Formaldehyde
the initial showers wash the atmosphere free from most of the impurities
it contains desirable salts like sodium chloride and ammonium nitrate
it dissolves the gases in the atmosphere like ozone which are good for health in small quantities
it is supposed to be 'heaven sent'
Bronze
Brass
Solder
Gun metal
decomposition of petrol
fermentation of animal and plant waste
destructive distillation of coal
electrolysis of water
Vitamin B6
Vitamin C
Vitamin K
Vitamin D
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
glucose
fructose
sucrose
maltose
Hydrolysis
Hydrogenation
Dehydration
Dehydrogenation
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
A - Z
A + Z
Z
A
A
C
B12
B1
magnesium chloride
sodium chloride
calcium sulphate
potassium chloride
gold
zinc
tin
molybdenum
Potassium nitrate
Silver nitrate
Ammonium carbonate
Ammonium bicarbonate
potassium
sodium
red phosphorus
white phosphorus
wrought iron
steel
pig iron
nickel steel
Terylene
Rayon
Nylon
Silk
sucrose
maltose
glucose
fructose
it is an allotrope of carbon
it gives CO2 on heating
it contains free electrons
it is oxidised to graphitic acid
carbon monoxide
carbon dioxide
methane
phosgene
Goodyear
Wohler
Baeyer
Perkin
cobalt
tin
manganese
platinum
bakelite
polythene
PVC
Teflon
1 : 1
1 : 2
2 : 3
1 : 3
ferric sulphate
ferric oxalate
ferric nitrate
ferric chloride
urea
ammonium nitrate
ammonium sulphate
calcium cyanamide
Rutherford
Moseley
Niels Bohr
J.J. Thomson
it becomes coloured
it gets evaporated in air
it gets oxidised to phosgene
it gets decomposed to chloropicrin
acetic acid
chloroform
urea
methane
charcoal
bleaching powder
chlorine
carbolic acid
Lead
Tin
Zinc
Aluminium