Chemistry, Science based PSC General Knowledge Questions and Answers.
1. Who discovered Electron?
Answer: J.J Thomson
2. Which is known as 'Metal of Future'?
Answer: Titanium
3. Which is called 'Brown Coal'?
Answer: Lignite
4. What is the Chemical name of Heavy water?
Answer: Deuterium oxide (D2O)
5. Soap is prepared by boiling Caustic soda with?
Answer: Fats
6. Minamata is a disease caused by?
Answer: Mercury
7. Which gas is evolved when a metal react with acid?
Answer: Hydrogen
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