Multiple choice

Which of the following can be excluded from the properties of detergents?

  1. Detergents are sodium salts of long chain benzene sulphonic acid

  2. Calcium and magnesium salts of detergents are insoluble in water.

  3. Synthetic detergents are prepared from hydrocarbons of petroleum

  4. Most of the detergents are non-biodegradable
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Calcium and magnesium salts of detergents are soluble in water. Therefore, cleansing action of detergents remains unaffected in hard water.

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