Effectiveness of Different Common Oils in Forming Emulsions

Which of the following oils is NOT mentioned as a requirement for the experiment?

• Coconut oil

• Mustard oil

• Olive oil

• Castor oil

What is the purpose of shaking the stoppered bottles vigorously?

• To mix the oil and water thoroughly

• To measure the volume of oil

• To change the color of the solution

• To heat the mixture

After adding distilled water to the oils, what is the next step in the procedure?

• Add soap solution

• Shake the bottles and observe layer separation

• Heat the mixture

• Measure the pH level

How many drops of soap solution are added to each bottle?

• 10 drops

• 5 drops

• 15 drops

• 20 drops

Which oil is found to be the most stable in forming emulsions?

• Kerosene oil

• Castor oil

• Coconut oil

• Mustard oil