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TG EAMCET (EAPCET) Chemistry Multiple Choice Questions (MCQs)

APEAPCET Chemistry MCQs - 51 to 60

Multiple Choice Questions (51 to 60)

51. Which of the following is a characteristic property of alkali metals?

A) High ionization enthalpy
B) Low atomic and ionic radii
C) High reactivity with water
D) Low melting and boiling points

Answer: C) High reactivity with water

52. What is the anomalous property of Lithium compared to other alkali metals?

A) High ionization energy
B) Low hydration enthalpy
C) High solubility in water
D) Similar behavior to Magnesium

Answer: A) High ionization energy

53. Which of the following compounds of sodium is used in the production of soap?

A) Sodium Chloride
B) Sodium Bicarbonate
C) Sodium Hydroxide
D) Sodium Carbonate

Answer: C) Sodium Hydroxide

54. Which of the following is NOT a property of alkaline earth metals?

A) Low ionization enthalpy
B) High melting points
C) Formation of oxides and hydroxides
D) High solubility of their hydroxides in water

Answer: D) High solubility of their hydroxides in water

55. The diagonal relationship between lithium and magnesium is due to their similar:

A) Ionization enthalpy
B) Atomic radius
C) Electro negativity
D) None of the above

Answer: A) Ionization enthalpy

56. Which of the following compounds of calcium is used as a drying agent?

A) Calcium Carbonate
B) Plaster of Paris
C) Calcium Hydroxide
D) Quick Lime

Answer: D) Quick Lime

57. What is the electronic configuration of Boron (Group 13 element)?

A) 1s² 2s² 2p¹
B) 1s² 2s² 2p²
C) 1s² 2s² 3p¹
D) 1s² 2s² 3s²

Answer: A) 1s² 2s² 2p¹

58. Which of the following is an important compound of Boron used in glassmaking?

A) Borax
B) Diborane
C) Orthoboric acid
D) Sodium Borate

Answer: A) Borax

59. Which allotrope of carbon is used in pencils?

A) Diamond
B) Graphite
C) Fullerenes
D) Nanotubes

Answer: B) Graphite

60. What is the main use of Silicones, a compound of silicon?

A) In the preparation of soaps
B) In the production of glass
C) As a lubricant and sealant
D) As a component in fertilizers

Answer: C) As a lubricant and sealant

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