pyridine
hydrogen sulphide
cacodyl
carbylamines
B. hydrogen sulphide
carbon disulphide
carbon tetrachloride
phosgene
chloroform
acetone
ether
ethyl alcohol
methyl alcohol
Na2CO3 . 10H2O
NaHCO3
Na2CO3 . H2O
NH4CI
terephthalic acid and ethylene glycol
hexamethylene diamine and adipic acid
cellulose nitrate
cellulose acetate
Nitric acid
Hydrochloric acid
Silver nitrate
Sulphuric acid
gypsum
urea
potassium nitrate
ammonium phosphate
acetic acid
oxalic acid
chromic acid
citric acid
phosphorus pentaoxide
phosphorus trichloride
phosphorus trisulphide
phosphorus trioxide
painting
applying alkaline phosphate
applying soap water
galvanising
phenol
washing soda
absolute alcohol
vinegar
contracts while setting
expands while setting
is highly volatile
does not suffer any changes in volume while setting
annealing
tempering
calcining
galvanising
a definite shape but not volume
a definite volume and shape
a definite volume but not shape
neither definite volume nor shape
zinc
red phosphorus
magnesium
sulphur
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
methyl alcohol and acetic acid
methyl alcohol and ethyl alcohol
ethyl alcohol and pyridine
methyl alcohol and pyridine
hydrogen
nitrogen
oxygen
noble gases
glacial acetic acid
methanol
formic acid
stearic acid
Baking soda
Milk
Chloroform
Copper wire
brimstone and silica
limestone and clay
brimstone and clay
brimstone and limestone
manganese dioxide
bauxite
animal charcoal
quicklime
an anaesthetic
a psychedelic drug
an antipyretic
an antibiotic
urea
methane
acetic acid
benzene
pyridine
hydrogen sulphide
cacodyl
carbylamines
neon
argon
helium
krypton
cement an limestone
cement and sand
cement and gravel
cement, sand and gravel
Phenol
Benzaldehyde
Formaldehyde
Acetic acid
Cholera
Dysentery
Diabetes
Measles
Hydrogen Sulphide
Nitrogen
Carbon-di-oxide
Oxygen
273 K
0 K
273°C
-273°C