Na2CO3 . 10H2O
NaHCO3
Na2CO3 . H2O
NH4CI
B. NaHCO3
gold
zinc
tin
molybdenum
manganese
vanadium
nickel
chromium
quicklime
gypsum
soda lime
bleaching powder
Wohler
Dalton
Lavoisier
Fischer
it becomes coloured
it gets evaporated in air
it gets oxidised to phosgene
it gets decomposed to chloropicrin
chrome steel
silicon steel
stainless steel
invar
it contains carbonates of calcium and magnesium
it contains sodium chloride
it is highly coloured
it contains suspended impurities
silicate
protein
fat
carbohydrate
acetamide phenol
malonyl urea
aminosalicylic acid
acetyl salicylic acid
a congenital disease
a communicable disease
an acquired disease
a contagious disease
Goodyear
Wohler
Baeyer
Perkin
it is an allotrope of carbon
it gives CO2 on heating
it contains free electrons
it is oxidised to graphitic acid
a definite shape but not volume
a definite volume and shape
a definite volume but not shape
neither definite volume nor shape
Aluminium
Chromium
Nickel
Tungsten
iron with very low percentage of carbon
iron with high percentage of carbon
iron and chromium
iron and manganese
ethyl alcohol
chloroform
oxygen
methyl alcohol
copper and tin
aluminium and magnesium
copper and zinc
copper, tin and zinc
Tin
Silver
Iodine
Arsenic
Alexander Fleming
Sir JJ Thomson
Dr Nessler
Sir John Russel
ammonia
ammonium nitrate
ammonium chloride
ammonium nitrite
A
C
B12
B1
proteins
carbohydrates
tannins
lipids
pyridine
hydrogen sulphide
cacodyl
carbylamines
nickel
aluminium
mercury
calcium
calcium hydroxide
washing soda
calcium chloride
zeolite
Cataphoresis
Osmosis
Dehydration
Diffusion
evaporation
using a magnet
sublimation
sedimentation
Liebig
Pasteur
Bunsen
Erlenmeyer
quick lime
tincture iodine
rectified spirit
None of these
Dolomite
Magnetite
Bauxite
Anglesite