Burning of magnesium ribbon in air
Distillation of water
Heating of cane sugar
Setting of cement
B. Distillation of water
tungsten
nickel
manganese
chromium
a definite shape but not volume
a definite volume and shape
a definite volume but not shape
neither definite volume nor shape
Cholera
Dysentery
Diabetes
Measles
cement an limestone
cement and sand
cement and gravel
cement, sand and gravel
dehydration
oxidation
reduction
dehydrogenation
red phosphorus and oxygen
white phosphorus and oxygen
carbon monoxide and chlorine
carbon dioxide and chlorine
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
Arsenic
Barium
Benzene
Bitumen
ammonium chloride
ammonium carbonate
ammonium sulphate
potassium nitrate
cobalt
tin
manganese
platinum
chlorine
nitrogen
sulphur
hydrogen
it contains carbonates of calcium and magnesium
it contains sodium chloride
it is highly coloured
it contains suspended impurities
iodine
sulphur
graphite
phosphorus
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'
valency
atomic mass
number of neutrons
atomic number
electrochemistry
physical chemistry
biochemistry
tinctorial chemistry
carbon disulphide
carbon tetrachloride
phosgene
chloroform
calcium sulphate
ammonium chloride
caustic soda
silver nitrate
Lead
Tin
Zinc
Aluminium
manganese
copper
potassium
plumbum
tin and copper
tin and lead
tin and zinc
tin, copper and zinc
273 K
0 K
273°C
-273°C
wood charcoal
animal charcoal
coconut charcoal
lamp black
atomic number
valency
atomic mass
atomic radius
brimstone and silica
limestone and clay
brimstone and clay
brimstone and limestone
charcoal
bleaching powder
chlorine
carbolic acid
coal gas
producer gas
water gas
gobar gas
carbon monoxide
carbon dioxide
methane
phosgene
50% water
10% water
70% water
20% water
Bronze
Brass
Solder
Gun metal