The hydrophilic-lipophilic balance (HLB) of a surfactant is a measure of its:
Critical micelle concentration
Krafft temperature
Charge density of the hydrophilic head
Affinity for both water and oil
Related Questions
Sodium dodecyl benzene sulphonate is used as a:
Detergent
Disinfectant
Preservative
Flavoring Agent
Metallic soaps are:
Salts of fatty acids with other metals except Na, K
Not used for cleaning purposes
Used as lubricant, driers, adhesives, etc
Possess all these
Which of the following is NOT a characteristic of cationic detergents?
Germicidal activity
Fabric softening properties
Anti-static effects
Biodegradable and environmentally friendly
Which statement about aspirin is not true?
Aspirin belongs to narcotic analgesics
It is effective in relieving pain.
It has anti blood clotting action.
It is a neurologically active drug.
A soap can be obtained by the saponification of:
Liquid paraffin
Coconut oil
Lemongrass oil
Sandal wood
Which statement about aspirin is not true?
Aspirin belongs to narcotic analgesics
It is effective in relieving pain.
It has anti blood clotting action.
It is a neurologically active drug.
Washing soaps are potassium and sodium salts of:
Formic , acetic, and maleic acid
Oleic, palmitic and stearic acid
Sulphur, chlorine and fluorine
Acetone, ketone and quinones
An unsaturated acid found in natural oils and fats is:
Palmitic acid
Myristic acid
Linoleic acid
Lauric acid
Which is not characteristic of soap?
They are colourless when pure
They are lighter than water
They are immiscible with organic solvents
They form emulsions with water
Soaps are prepared by the saponification of:
Carbohydrates.
Proteins.
Fats and oils.
Nucleic acids.
