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Chemistry GK (General Knowledge)
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Chemistry GK (General Knowledge)
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25 Questions

1. Which metal is non toxic in nature

2. What happen when a drop of Glycerol is added to KMno4 spread on paper

3. With which period do we associate the 'microlith' implements

4. Mixture of which pair of gases is the cause of occurrence of most of the explosions in mines

5. Which of the following is used as a moderator in nuclear reactor

6. Burning Pyrites ore gives out

7. Gobargas mainly contains

8. If a U-238 nucleus splits into two identical parts - how will the two nuclei be so produced

9. In a reaction of type A + B → C + D one could ensure it - to be a First order reaction by

10. The First Time atomic bomb was released at

11. Rainwater collected after 30 to 40 minutes of raining is not suitable for drinking why

12. The weight of 6.023 × 1022 atoms of carbon is

13. From which the cathode ray particles originate in a discharge tube

14. Coolant 'Freon' is

15. What is used in preparing match sticks

16. Phosgene is obtained by the reaction of carbon monoxide and which gas

17. Chemical Name of common salt is

18. The process of Heating of Rubber with sulphur to increase it quality is known as

19. Which soil is best suited for cotton

20. Air pollution by "Fly Ash" is caused by

21. The addition of Gypsum to Portland cement helps in

22. Which is produced during allergic reactions

23. In which Molecule the distance between two adjacent carbon atoms is longest

24. What are Rubies and Sapphires chemically known as

25. A place having an average annual temperature of 27°C and an annual rainfall of over 200 cm.where is this