Category: Education

Tags: UPSC GK Questions Answers, UPSC GK, UPSC general knowledge

UPSC GK Questions Answers - IAS, IPS, IFS and other Civil services - Coaching123.in - Competitive exams coaching, govt jobs preparation Common UPSC GK Questions answers 1. Temperature at which all substance have zero thermal energy? Ans. -273 degree Celsius 2. What is catalyst? Ans. It is a substance when added to a reaction it alter (change) the rate of reaction, but remains chemically unchanged Special Note - So a catalyst when added to a reaction * It changes the rate of reaction * But remains chemically unchanged 3. The study of inter-relations of animals and plants (living organisms with environment) is called? Ans. Ecology