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