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Select the correct statements regarding the cleansing action of soap. A. Hydrophilic end of soap molecules interact with the oily droplets. B. The formation of micelles in a soap solution during the cleaning of clothes is called emulsification. C. The hydrophobic end of the soap molecules is in the inner side during micelle formation. D. Micelles surround the Ca²⁺ or Mg²⁺ ions in hard water instead of oily droplets.
This question appeared in the HPSC Prelims 2021 examination (GS-II). It is Question 53 out of 198 questions in this paper.
This question was part of the HPSC Prelims 2021 (GS-II). The HPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all HPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.