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