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
A. Butyl alcohol
B. Propyl alcohol
C. Ethanol
D. Methyl alcohol
A. Sulphur
B. Charcoal
C. Potassium nitrate
D. All A , B, & C.
A. Phosphate rock with phosphoric acid
B. Phosphate rock with sulphuric acid
C. Phosphate rock with nitric acid
D. Ammonium phosphate with phosphoric acid
A. 15
B. 35
C. 55
D. 70