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🧪 Chemistry  ·  Chemistry in Everyday Life  ·  NEET & JEE

Which class of drug is used as an oral contraceptive (antifertility agent)?

Answer: synthetic hormones.

  • A common antibiotics
  • B synthetic hormones
  • C simple antacids
  • D mild analgesics

Correct answer: B. synthetic hormones

Explanation: Antifertility drugs are synthetic derivatives of the hormones estrogen and progesterone.

Micelle Formation: How Soap Removes Greasegrease / oilhydrophobic tail (in oil) - hydrophilic head (in water, blue circles)

The hydrophobic hydrocarbon tail of each soap/detergent molecule dissolves into an oily dirt droplet, while the hydrophilic (ionic) head stays in the surrounding water - trapping the grease inside a micelle that rinses away with water.

Concept context

Drugs and how they interact with biological targets, chemicals in food, and cleansing agents (soaps and detergents) - chemistry applied directly to daily life and healthcare.

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