Podcast
Questions and Answers
Why do soap molecules help with the problem of 'oil and water don't mix'?
Why do soap molecules help with the problem of 'oil and water don't mix'?
- They have a neutral charge that repels both oil and water.
- They have both oily and ionic parts that can interact with both oil and water. (correct)
- They have a hydrophilic part that attracts water.
- They have a hydrophobic part that attracts oil.
Which chemical formula represents Sodium palmitate, a type of soap?
Which chemical formula represents Sodium palmitate, a type of soap?
- NaCl
- CO2
- H2O
- C18H35NaO2 (correct)
What is the function of surfactants in detergents?
What is the function of surfactants in detergents?
- To soften the water.
- To add color to the detergent.
- To remove dirt and oil from surfaces. (correct)
- To harden the detergent.
What are the ingredients commonly used in the production of detergents?
What are the ingredients commonly used in the production of detergents?
How are detergents different from soaps?
How are detergents different from soaps?
Which alkalis are commonly used in the production of detergents?
Which alkalis are commonly used in the production of detergents?
What role does washing soda play in detergent production?
What role does washing soda play in detergent production?
Which compound aids in softening water and removing odors?
Which compound aids in softening water and removing odors?
'Curd soap has an effective cleaning power' - This statement implies that:
'Curd soap has an effective cleaning power' - This statement implies that:
'Detergents can be dissolved in saline water as well as hard water' - What does this suggest about detergents?
'Detergents can be dissolved in saline water as well as hard water' - What does this suggest about detergents?
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