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Old July 3rd, 2017, 04:31 PM
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Join Date: Dec 2012
Default Re: TNPSC Chemist

As you are asking for TNPSC Chemistry Questions paper , so on your demand I am providing same for you :

1. First atomic theory was proposed by
John Dalton

2. The alloy of aluminium used for making magnet is
alnico

3. Which one of the following is an element?
diamond

4. Nucleus of an atom contains
protons and neutrons

5. Rare gases are
di atomic

6. Which synthetic fibre is known as artificial silk?
Rayon

7. Bleaching powder contains
chlorine

8. DDT is an
insecticide

9. Water drops are spherical because of
surface tension

10. Which one of the following is also called Stranger Gas?
Xenon
11. For which one of the following is the density maximum?
Water

12. Nail polish remover contains
acetone

13. The element used in lead pencils is
carbon

14. Aluminium oxide is a/an
amphoteric acid

15. Epsom salt is chemically known as
magnesium sulphate

16. Homo nuclear molecules contain
covalent bond

17. pH of blood is
7.4

18. Human bone does not contain
oxygen

19. Natural rubber is a polymer derived from
isoprene

20. The concept of an electrolyte in water was described by
Arrhenius

21. The isotope atoms differ in
atomic weight

22. Which one of the following gases is readily soluble in water at room temperature?
carbon dioxide

23. The solute in a solution can be separated by
evaporation

24. Bauxite is an ore of
aluminium

25. Ruby is an oxide of
aluminium
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