Rancidity is mainly caused by what?
Answer and explanation
Correct answer: Oxidation of oils and fats
Rancidity is the spoilage of food containing oils or fats when these substances react with oxygen from the air. This oxidation produces unpleasant smells and tastes, so option A is correct. Freezing water, dissolving salt, and melting sugar are physical changes; none explains the characteristic oxidation and bad odour associated with rancid food.
Frequently asked questions
What is the correct answer to this question?
Oxidation of oils and fats
Why is this the correct answer?
Rancidity is the spoilage of food containing oils or fats when these substances react with oxygen from the air. This oxidation produces unpleasant smells and tastes, so option A is correct. Freezing water, dissolving salt, and melting sugar are physical changes; none explains the characteristic oxidation and bad odour associated with rancid food.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Chemical Reactions and Equations.