Sodium Analyser MCQ

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• Presence of sodium sulphate in water causes corrosion in boilers.
  ক

  True

  খ

  False
• Cleaning process gives accuracy and long life.
  ক

  True

  খ

  False
• The output of the electrode in sodium analyser is proportional to which of the following parameters?
  ক

  Activity

  খ

  Concentration

  গ

  Negative logarithm of sodium ion concentration

  ঘ

  Logarithm of sodium ion concentration
• In which part of the apparatus is the reference and ion selective electrodes placed?
  ক

  Head tank

  খ

  Flow cell

  গ

  Reservoir

  ঘ

  Solenoid valve
• Which of the following are used to free bound ions or liberate bound ions?
  ক

  Colouring agents

  খ

  Ammonia Buffer

  গ

  Reagents

  ঘ

  Iodine solution
• Sodium selective electrode provides a good response in measurement when the pH is above which of the following values?
  ক

  2

  খ

  3

  গ

  5

  ঘ

  10
• Which of the following represent the concentration of a solution?
  ক

  Only free ions

  খ

  Only bound ions

  গ

  Free ions and bound ions

  ঘ

  Either free ions or bound ions
• Normally, electrodes measure which of the following parameters?
  ক

  Activity

  খ

  Activity co-efficient

  গ

  Blank constant

  ঘ

  Ionic co-efficient
• Which of the following are added for pH adjustment in sodium analyser?
  ক

  Acidic solution

  খ

  Basic solution

  গ

  Hydrazine

  ঘ

  Ammonia buffer
• Which of the following indicate leakages in a condenser?
  ক

  The concentration of sodium in steam and condensate are very high

  খ

  The concentration of sodium in steam and condensate are very low

  গ

  The concentration of sodium in steam and condensate are equal

  ঘ

  The concentration of sodium in steam and condensate are not equal