ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
CHM205
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1. The element known as ‘super halogen’ is _________
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2. A derivative of ____________ is used in making photographic plates
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3. The group of elements in the periodic table that is associated with semiconductor properties is ___________
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4. Which of these is not a carbide?
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5. Of the group IV element, the one that exhibits anomalous behaviour is ___________
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6. The most metallic element in group IV is __________
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7. Conversion of nitrogen into its compounds is known as _________
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8. PVC pipes are manufactured using ____________
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9. When carbon is linked to elements of lower or approximately the same electronegativity,the binary compounds formed are termed
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10. The halogen _______ is solid at room temperature
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11. The molecular formula of hydrazine is ________
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12. ___________are the fibrous silicates, having high tensile strength and heat/fire resistance, used as insulators and steam pipe lagging.
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13. Mixed chloroflorocarbons are known as _________
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14. Which of these is not an interstitial carbide?
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15. The form of carbon that conducts electricity is _________
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16. Continuous exchange of nitrogen between the atmosphere and the biosphere is called ___________
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17. Zeolites is used in water as____________
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18. Bacteria which convert nitrogen compounds into free nitrogen are known as ___________ bacteria
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19. Which of these is true of interstitial carbide?
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20. Arsenic has a _____________ odour
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21. ____________is a property by virtue of which elements form long chain compounds by single or multiple bonds between atoms of the same element.
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22. Which of the group V metals can not be obtained from its sulphide ore?
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23. Which of these is not a raw material for the cement manufacture?
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24. Ammonia acts as a Lewis base because it possesses a _________
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25. Deficiency of one of these leads to goitre in humans
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26. Lead dioxide is used as ___________
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27. ___________ is obtained when of silicates mainly of sodium and calcium is melted and supercooled
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28. Which of these is not a group V element?
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29. Zeolites are also called ____________
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30. Nitriles are oxidized to nitrates by ___________
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31. The ‘great balls of carbon’ in which carbon atoms are symmetrically arranged in closed shells are known as __________
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32. The oxide of nitrogen which is colourless and rather unreactive is _________
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33. The ground state electronic configuration of phosphorus is ___________
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34. Elements having some metallic and nonmetallic properties are called _______
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35. The second most abundant element in the earth’s crust after oxygen is __________
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36. Solid Carbondioxide is known as____________
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37. The halogen which has only two complete electron shells below the valence shell is _______
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38. Of all halogens, _____________ has the highest ionization energy
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39. Hydrazine is used as a ________ along with liquid air or oxygen as oxidant.
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40. The heavier elements of group IV functions as ___________
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41. All group V elements except ____________ react with sulphur to form sulphides.
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42. ____________ has the highest electronegativity value
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43. One of these is not a form of silica?
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44. The only halogen that can oxidize chlorine is __________
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45. The purest form of silicon dioxide is ___________
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46. The hybridization of nitrogen in ammonia is ___________
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47. _____________ is the only liquid halogen.
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48. Which of the group V elements give only one oxidation state?
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49. Nitrogen is obtained commercially from ___________
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50. Teflon is form from a derivative of-------------
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