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Effects and Chemical Properties of Soap

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Questions and Answers

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?

NaCl

CO2

H2O

C18H35NaO2 (correct)

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?

Sulphur trioxide, ethylene oxide, and oleochemicals. (A) Signup and view all the answers

How are detergents different from soaps?

Detergents can be dissolved in both saline water and hard water. (A) Signup and view all the answers

Which alkalis are commonly used in the production of detergents?

Sodium and potassium (D) Signup and view all the answers

What role does washing soda play in detergent production?

It helps remove stains. (B) Signup and view all the answers

Which compound aids in softening water and removing odors?

Baking soda (A) Signup and view all the answers

'Curd soap has an effective cleaning power' - This statement implies that:

'Curd soap can effectively clean surfaces.' (D) Signup and view all the answers

'Detergents can be dissolved in saline water as well as hard water' - What does this suggest about detergents?

'Detergents are versatile and can work in different types of water.' (A) Signup and view all the answers