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