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Quiz

1. The function of heavy water in a nuclear reactor is to ?

(1) Increase the speed of neutrons
(2) Stop the nuclear reaction
(3) Cool down the reactor
(4) Slow down the speed neutrons

2. Which one of the following is used as an explosive ?

(1) Graphite
(2) Mercuri oxide
(3) Nitrogylcerine
(4) Phosphorus trichloride

3. What is Bisphenol A (BPA) is ?

(1) A special type of alloy steel
(2) A medical test for detecting cancer
(3) A test for testing the used of durgs to improve performance by athleter
(4) A chemical used for the development of food packaging materials

4. What are Rubies and Sapphires chemically known as ?

(1) Aluminium oxide
(2) Boron nitride
(3) Lead tetro oxide
(4) Silicon diocide

5. Which one of the following is also called stronger Gas ?

(1) Argon
(2) Neon
(3) Nitrous oxide
(4) Xenon

6. Which one of the following types of glass can cut off ultraviolet rays ?

(1) Crooker glass
(2) Jena glass
(3) Pyrex glass
(4) Soda glass

7. Which one of the following non-metals is not a poor conductor of electricity ?

(1) Bromine
(2) Phosphorus
(3) Selenium
(4) Sulphur

8. Which one among the following is called Philospher's wool ?

(1) Zinc bromide
(2) Zinc chloride
(3) Zinc oxide
(4) Zinc nitrate

9. Which one of the following does not contain silver ?

(1) German silver
(2) Hern silver
(3) Lunar caustic
(4) Ruby silver

10. Which are the materials generally employed as solder in soldering operation in electronics ?

(1) Iron and Tin
(2) Iron and Aluminium
(3) Lead and Aluminium
(4) Lead and Tin

11. Which one of the following is the correct sequence of the given substances in the decreasing order of their densities ?

(1) Gold > Mercury ? Steel
(2) Gold > Steel > Mercury
(3) Steel > Gold > Mercury
(4) Steel > Mercury > Gold

12. Standard 18-carat gold sold in the market contains ?

(1) 18 Parts gold and 6 parts other metals
(2) 18 Parts gold and 82 parts other metals
(3) 9 Parts gold and 15 parts other metals
(4) 82 Parts gold and 18 parts other metals

13. Regarding the atom of a chemical element, the magnetic Quantum number refers to ?

(1) Orientation
(2) Spin
(3) Shape
(4) Size

14. Which one of the following is not radioactive ?

(1) Astatine
(2) Francium
(3) Tritium
(4) Zirconium

15. An aqueos solution of copper sulphate is acidic in nature because the salt undergoes ?

(1) Dialysis
(2) Electrolysis
(3) Hydrolysis
(4) Photolysis

16. Which one of the following materials is very hard and very ductile ?

(1) Cast iron
(2) Carborundum
(3) Nichrome
(4) Tungsten

17. Aluminium surfaces are often 'anodized'. This means the deposition of a layer of ?

(1) Aluminium oxide
(2) Chromium oxide
(3) Nickel oxide
(4) Zinc oxide

18. A small pouch containing silica gel is often found in bottles of medicine in tablet or powder form because silica gel ?

(1) Absorbs moisture
(2) Absorbs all gases present inside the bottle
(3) Kills bacteria
(4) Kills germs and spores

19. Which one of the following metals does not form amalgams ?

(1) Copper
(2) Iron
(3) Magnesium
(4) Zinc

20. Cobalt-60 is commonly used in radiation therapy because it emits ?

(1) Alpha rays
(2) Beta rays
(3) Gamma rays
(4) X - rays

21. The most reactive among the halogens is ?

(1) Bromine
(2) Chlorine
(3) Fluorine
(4) Iodine

22. Which one of the following is used as an anti-freeze for the automobile engineer ?

(1) Ethanol
(2) Ethylene Glycol
(3) Methanol
(4) Propyl alcohol

23. Which one of the following has the highest fuel value ?

(1) Charcoal
(2) Gasoline
(3) Hydrogen
(4) Natural Gas

24. Which one of the following polymers is widely used for making bullet proof material ?

(1) Poly amides
(2) Poly carbonates
(3) Poly ethylene
(4) Poly vinyl chloride

25. The chemical used as a 'fixer' in photography is ?

(1) Ammnium persulphate
(2) Borax
(3) Sodium sulphate
(4) Sodium Thio sulphate

26. Which of the following is utilized in the form of electrolyte of the dry cell (battery) ?

(1) Ammonium chloride and zinc chloride
(2) Ammonium chloride and calcium chloride
(3) Magnesium chloride and zinc chloride
(4) Sodium chloride and zinc chloride

27. The heavy water is a type of ?

(1) Coolant
(2) Fuel
(3) Ore
(4) Moderator

28. The precentage content of carbon is more than other coal in ?

(1) Anthracite
(2) Bituminous
(3) Lignite
(4) Peat

29. Which of the following gas pollutes the most to the air ?

(1) Carbon dioxide
(2) Carbon monoxide
(3) Hydrocarbon
(4) Sulphur dioxide

30. The chemical substance which is easily soluble in water ?

(1) Ammonia
(2) Carbon
(3) Iodine
(4) Nitrogen

31. The chemical name of the lime stone is ?

(1) Calcium chloride
(2) Calcium oxide
(3) Calcium carbonate
(4) Calcium sulphate

32. Blue Vitriol is ?

(1) Copper sulphate
(2) Calcium sulphate
(3) Iron sulphate
(4) Sodium sulphate

33. The substance which is useful for the photography ?

(1) Citric acid
(2) Silphuric acid
(3) Silver bromide
(4) Silver Nitrate

34. Which of the following metal is the hardest one ?

(1) Gold
(2) Iron
(3) Lead
(4) Platinum

35. Which of the following is a paramagnetic substance ?

(1) Hydrogen
(2) Iron
(3) Oxygen
(4) Nitrogen

36. When ants bite then the intersecretion of which of the following occurs ?

(1) Glacial acetic acid
(2) Formic acid
(3) Lactic acid
(4) Stearic acid

9 thoughts on “Scroll Content

  1. xtra ordinary site, n cmplt info availble over here..bt vil u plz update the current affairs of oct& nov as far as psbl,espcialy those r useful 4r banking..

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