magnesium chloride
sodium chloride
calcium sulphate
potassium chloride
B. sodium chloride
ferric sulphate
ferric oxalate
ferric nitrate
ferric chloride
brass
common salt
cane sugar
water
to make air a moderate supporter of combustion
to maintain the density of air constant
to prevent the hydrogen in air from exploding
to reduce the poisonous nature of ozone in air
cryolite
bauxite
malachite
azurite
Carbon dioxide
Sulphur dioxide
Ammonia
Hydrogen
evaporation
using a magnet
sublimation
sedimentation
land pollution
air pollution
noise pollution
water pollution
benzene
methane
ethane
butane
it is an allotrope of carbon
it gives CO2 on heating
it contains free electrons
it is oxidised to graphitic acid
Carbon dioxide
Ammonia
Chlorine
Hydrogen sulphide
an explosive
a fertilizer
a dye
a bleaching agent
Palladium
NaCI
KOH
Dilute H2SO4
sodium hydroxide
sodium carbonate
sodium bicarbonate
potassium chloride
nickel
tin
iron
chromium
sulphanilamide
quinine
methicillin
novocaine
carbohydrates
proteins
salts
fats
C6H12O6
C2H5OH
C12H22O11
C7H8O
high temperature
light
moisture
dry air
ethane
ethylene
acetylene
methane
dextrose
fruit sugar
beet sugar
blood sugar
shaking with caustic soda solution
shaking with water
fractional distillation of liquid air
passing air over heated magnesium
Law of Multiple Proportions
Law of Definite Proportions
Law of Conservation of Mass
Law of Reciprocal Proportions
Fe and C
Mn and C
Fe and Mn
Fe, Mn and C
It must be free from suspended impurities
It must be free from harmful bacteria
It must contain traces of sodium bicarbonate
It must have a fishy odour
terephthalic acid and ethylene glycol
hexamethylene diamine and adipic acid
cellulose nitrate
cellulose acetate
potassium and lead silicates
zinc and barium borosilicates
potassium and calcium silicates
sodium and calcium silicates
oxidise ammonia to nitrates
convert nitrogen into ammonia
oxidise ammonia to free nitrogen
oxidise ammonia to oxides of nitrogen
Dolomite
Magnetite
Bauxite
Anglesite
Burning of magnesium ribbon in air
Distillation of water
Heating of cane sugar
Setting of cement
homogeneous, sulphates
heterogeneous, nitrates
heterogeneous, carbonates
homogeneous, silicates