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