A. Increasing the surface tension
B. Decreasing wettability
C. Supplying hydrophilic group
D. None of these
A. 70
B. 55
C. 80
D. 94
A. Penicillin
B. Antibiotics
C. Wine
D. Pasteurised milk
A. Sulphur
B. Bromine
C. Platinum
D. Alumina
A. Are absorbed throughout the plant
B. Kill insects following external bodily contact
C. Are stomach poisons
D. Emit poisonous vapour
A. Sodium thiosulphate
B. Ethyl magnesium chloride
C. Sodium sulphite
D. Sodium bicarbonate
A. Naphthalene
B. Benzene
C. Toluene
D. Aniline
A. 0.1 to 0.5
B. 1 to 5
C. 5 to 10
D. 15 to 25
A. Laminates
B. Card boxes
C. Furniture
D. Books
A. It is very corrosive at elevated temperature
B. Its viscosity is not reduced on further heating (hence pressure drop on pumg it, cannot be
further reduced)
C. It decomposes on further increasing the temperature
D. None of these