Chemistry-Objective Related Question Answers
1. What is laughing gas?
Nitrous oxide
2. Which metal has the highest density?
Platinum
3. Natural radioactivity was discovered by?
Henri Becquerel
4. Father of Chemistry?
Robert Boyle
5. The author of the book 'Sceptical Chymist’ is?
Robert Boyle
6. Father of of Indian Chemistry?
P.C. Roy
7. Father of Organic Chemistry?
Friedrich Wohler
8. Ancient Chemistry is known as?
Alchemy
9. Ancient Chemists were known as?
Alchemists
10. The scientist known as the father of Soda pop?
Joseph Priestly
11. International year of chemistry was?
2011
12. New methods used in chemistry which aim to reduce pollution are called?
Green Chemistry
13. The term Green 'Chemistry was coined by?
Paul. T. Anastas
14. The concept dual nature of Matter was put forward by?
Louis de-Broglie
15. The construction of electron microscope was based on?
Dual Nature of Matter
16. The dual nature of electrons was experimentally proved by?
I.H. Germer
17. Basic unit of Chemistry?
Atom
18. Smallest units of a matter?
Atom
19. Atom was derived from a Greek word?
'Atomos' (means indivisible)
20. Atom was discovered by John?
Dalton
21. Law of Multiple Proportion was put forward by?
John Dalton
22. The term 'atom' was coined by?
Ostwald
23. The fundamental particles of an atom?
Proton; Electron and Neutron
24. The central part of an atom is?
Nucleus
25. The sub atomic particles of Nucleus are?
Protons and Neutrons
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