Sodium salt of higher molecular weight fatty acid is termed as the ______________________ soap?

A. Density difference
B. Wetting characteristics
C. Terminal velocities
D. None of these

A. Coke oven gas
B. Blast furnace gas
C. Producer gas
D. Water gas (blue gas)

A. Increasing the surface tension
B. Decreasing wettability
C. Supplying hydrophilic group
D. None of these

A. Colour
B. Turbidity
C. Bacteria
D. All A , B. and C.

A. Caustic soda
B. Soda ash
C. Caustic potash
D. Soda lime