1 and 3
2 and 3
1, 2 and 4
1, 2, 3 and 4
D. 1, 2, 3 and 4
stearic acid
sodium hydroxide
palmitic acid
glycerol
Dalton
Cavendish
Avogadro
Berzelius
Europeans
Egyptians
Asians
Americans
Petrol
Kerosene
Hydrazine
Alcohol
dichloro-phenoxy-acetic acid
superphosphate of lime
chlorofluorocarbons (CFC)
dichloro-diphenyl-trichloro-ethane
chlorine
nitrogen
sulphur
hydrogen
whooping cough
tetanus
diphtheria
All the three
dehydration
oxidation
reduction
dehydrogenation
nickel
tin
iron
chromium
sodium bicarbonate
sodium carbonate
carbonic acid
sodium hydroxide
hydrogen
nitrogen
oxygen
noble gases
Carbon disulphide
Chloroform
Carbon tetrachloride
Methylene chloride
Hard water
Heavy water
Soft water
Both (a) and (b)
urea
methane
acetic acid
benzene
1 and 3
2 and 3
1, 2 and 4
1, 2, 3 and 4
iodine in potassium iodide
iodine in alcohol
iodine in water
iodine in carbon disulphide
Cholera
Dysentery
Diabetes
Measles
the manufacture of explosives
the manufacture of dyes
refrigerators
the preparation of drugs
Activated charcoal
Anthracite coal
Diamond
Graphite
carbohydrates
proteins
salts
fats
vitamin C
vitamin B2
vitamin A
vitamin E
neon
argon
helium
krypton
iodine
sulphur
graphite
phosphorus
Chadwick
Madam Curie
Becquerel
Aston
P1V1T1 = P2 V2 T2
P1V1T2 = P2V2T1
P = P1 + P2 + P3
C =
Liebig
Pasteur
Bunsen
Erlenmeyer
chlorine
mercury
water
iodine
cotton
wool
cellulose
silk
copper sulphate and water
copper sulphate, lime and water
thio-urea and lime
copper sulphate and thio-urea
gold
zinc
tin
molybdenum