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Category: CHM205

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CHM205

1 / 50

Which of these is not an interstitial carbide?

2 / 50

Which of these is true of interstitial carbide?

3 / 50

Which of these is not a component of lead-acid battery?

4 / 50

Mixed chloroflorocarbons are known as _________

5 / 50

Arsenic has a _____________ odour

6 / 50

The purest form of silicon dioxide is ___________

7 / 50

The element known as ‘super halogen’ is _________

8 / 50

Elements having some metallic and nonmetallic properties are called _______

9 / 50

____________ has the highest electronegativity value

10 / 50

Of the group IV element, the one that exhibits anomalous behaviour is ___________

11 / 50

PVC pipes are manufactured using ____________

12 / 50

Nitriles are oxidized to nitrates by ___________

13 / 50

The heavier elements of group IV functions as ___________

14 / 50

Zeolites are also called ____________

15 / 50

Deficiency of one of these leads to goitre in humans

16 / 50

Solid Carbondioxide is known as____________

17 / 50

The molecular formula of hydrazine is ________

18 / 50

Nitrogen is obtained commercially from ___________

19 / 50

Which of the group V metals can not be obtained from its sulphide ore?

20 / 50

The most metallic element in group IV is __________

21 / 50

Continuous exchange of nitrogen between the atmosphere and the biosphere is called ___________

22 / 50

The halogen _______ is solid at room temperature

23 / 50

Bacteria which convert nitrogen compounds into free nitrogen are known as ___________ bacteria

24 / 50

The halogen which has only two complete electron shells below the valence shell is _______

25 / 50

Ammonia acts as a Lewis base because it possesses a _________

26 / 50

Which of these is not a carbide?

27 / 50

Which of these is not a group V element?

28 / 50

The form of carbon that conducts electricity is _________

29 / 50

Hydrazine is used as a ________ along with liquid air or oxygen as oxidant.

30 / 50

The hybridization of nitrogen in ammonia is ___________

31 / 50

The oxide of nitrogen which is colourless and rather unreactive is _________

32 / 50

Of all halogens, _____________ has the highest ionization energy

33 / 50

The ground state electronic configuration of phosphorus is ___________

34 / 50

Which of the group V elements give only one oxidation state?

35 / 50

The ‘great balls of carbon’ in which carbon atoms are symmetrically arranged in closed shells are known as __________

36 / 50

The group of elements in the periodic table that is associated with semiconductor properties is ___________

37 / 50

When carbon is linked to elements of lower or approximately the same electronegativity,the binary compounds formed are termed

38 / 50

Which of these is not a raw material for the cement manufacture?

39 / 50

____________is a property by virtue of which elements form long chain compounds by single or multiple bonds between atoms of the same element.

40 / 50

The only halogen that can oxidize chlorine is __________

41 / 50

___________ is obtained when of silicates mainly of sodium and calcium is melted and supercooled

42 / 50

Silicates are salts of______

43 / 50

___________are the fibrous silicates, having high tensile strength and heat/fire resistance, used as insulators and steam pipe lagging.

44 / 50

Lead dioxide is used as ___________

45 / 50

Teflon is form from a derivative of-------------

46 / 50

One of these is not a form of silica?

47 / 50

A derivative of ------------- is used in making photographic plates

48 / 50

Zeolites is used in water as____________

49 / 50

All group V elements except ____________ react with sulphur to form sulphides.

50 / 50

Conversion of nitrogen into its compounds is known as _________

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