1). Define surfactant. What is HLB scale? Classify surfactant activity based on HLB value.
2). What is HLB scale ? Write defination.
3). What is surfactants? Write definition.
4). Classify HLB value. Drowning HLB scale.
5). Write a note on Surface Active Agents/Which are the applications of surface active agents? Explain HLB value.