__________ is best in its cleaning action.
- Soap
- Surfactant
- Detergents
- None of these
Submitted by :- Muhammad Nawaz
What is caustic potash?
- NaCl
- NaBH4
- NaOH
- KOH
Submitted by :- Muhammad Nawaz
Which fatty acids is not present in coconut oil?
- Linoleic acid
- Palmitic acid
- Steric acid
- Lauric acid
Submitted by :- Muhammad Nawaz
Soft soap is made from _________ and fatty acids.
- KOH
- NaOH
- LiOH
- All of these
Submitted by :- Muhammad Nawaz
During the preparation of soap, the liquid separated by distillation is known as _____.
- Ethanol
- Glycerol
- Methanol
- Sodium hydroxide
Submitted by :- Muhammad Nawaz
Soap is a salt of which compound?
- Amino acid
- Acetic acid
- Formic acid
- Fatty acid
Submitted by :- Muhammad Nawaz
Which of the following is the reaction of oils/fats with sodium hydroxide ?
- Reduction
- Esterification
- Hydrolysis
- Saponification
Submitted by :- Muhammad Nawaz
Which fatty acids is not present in Tallow/animal fat?
- Steric acid
- Lauric acid
- Linoleic acid
- Palmitic acid
Submitted by :- Muhammad Nawaz
When a drop of detergent solution is added onto a clean towel, it spreads instead of existing as a droplet. Which of the following statements describes this phenomenon?
- Detergent acts as an emulsifying agent.
- Detergent reduces the viscosity of water.
- Detergent reduces the density of water.
- Detergent reduces surface tension of water.
Submitted by :- Muhammad Nawaz
The green color of water in a lake is because of ______.
- Excessive growth of sea weeds
- Pollution
- Algae
- Grass
Submitted by :- Muhammad Nawaz