quicklime
gypsum
soda lime
bleaching powder
B. gypsum
Kerosene oil
Diesel oil
Lubricating oil
Petroleum ether
adrenalin
glucagon
epinephrin
thyroxin
nitric acid
ammonia
nitrous acid
nitrogen peroxide
calcium carbonate
magnesium bicarbonate
calcium sulphate
magnesium sulphate
Hard water
Heavy water
Soft water
Both (a) and (b)
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
solid carbon dioxide
liquid oxygen
liquid hydrogen
liquid. Chlorine
acetamide phenol
malonyl urea
aminosalicylic acid
acetyl salicylic acid
ethyl alcohol
chloroform
oxygen
methyl alcohol
wrought iron
steel
pig iron
nickel steel
electrochemistry
physical chemistry
biochemistry
tinctorial chemistry
C6H12O6
C2H5OH
C12H22O11
C7H8O
aquatic macrophytes
aquatic fungi
effluents
evapotranspiration
Sodium
red phosphorus
white phosphorus
sulphur
it becomes coloured
it gets evaporated in air
it gets oxidised to phosgene
it gets decomposed to chloropicrin
dichloro-phenoxy-acetic acid
superphosphate of lime
chlorofluorocarbons (CFC)
dichloro-diphenyl-trichloro-ethane
Aluminium
Copper
Zinc
Iron
sulphur
phosphorus
iodine
bromine
manganese dioxide
bauxite
animal charcoal
quicklime
Lavoisier
Priestley
Dalton
Avogadro
1 : 1
1 : 2
2 : 3
1 : 3
Wohler
Dalton
Lavoisier
Fischer
TW Richards
FW Aston
Stas
Urey
phenol
TNT
picric acid
iodoform
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
Law of Multiple Proportions
Law of Definite Proportions
Law of Conservation of Mass
Law of Reciprocal Proportions
calcium soaps
lead soaps
soft soaps
hard soaps
Gasoline
Benzoline
Kerosene
Petroleum ether
chlorine
mercury
water
iodine
it contains carbonates of calcium and magnesium
it contains sodium chloride
it is highly coloured
it contains suspended impurities