Which of the following statements is/are correct?
1. Soaps used for cleaning purposes are sodium or potassium salts of long-chain fatty acids, e.g., stearic, oleic and palmitic acids.
2. Soaps do not work in hard water as it contains calcium and sulphate ions.
Select the correct answer using the code given below.
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2