Pharmaceutical Analysis Exam Prep
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Pharmaceutical Analysis Exam Prep
English 27 leveled MCQs Free
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10 marks Long answer
Define errors and analyse the concept of various determinate errors. Suggest the different methods to minimize determinate errors
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Errors are deviations from true values; minimize by calibration and proper technique.
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10 marks Long answer
A. Define primary standards with illustrative examples and mention the qualities of a primary standard.
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Primary standards are pure substances used in titrations; qualities include stability and high purity.
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10 marks Long answer
B. Define molarity, molality, mole fraction, normality, and mass percent.
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Molarity is moles of solute per liter of solution; molality is moles per kg of solvent, etc.
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4 marks Medium answer
Apply the concept of conductance in the titration of HCl vs NaOH and CH$_3$COOH vs NaOH. Draw and explain the titration curves for both cases.
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Conductance changes during titration; curves show distinct endpoints for strong vs weak acids.
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4 marks Medium answer
How do you prepare 0.1 N solution of Sulfuric acid and standardize it?
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Dilute concentrated H$_2$SO$_4$ to 0.1 N and standardize using NaOH.
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4 marks Medium answer
Explain the method of preparation of 0.1 N NaOH and its standardization.
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Dissolve NaOH in water to prepare 0.1 N and standardize against KHP.
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1 marks Short answer
Amount of Na$_2$CO$_3$ to be dissolved to get decinormal solution in 250 mL of water is
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2.52 g
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1 marks Short answer
18 g of glucose is dissolved in 18 g of water; then the mole fraction of glucose is
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0.09
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1 marks Short answer
0.052 has how many significant figures?
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2
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1 marks Short answer
Na$_2$S$_2$O$_3$ is standardized by using
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KMnO$_4$
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1 marks Short answer
The molarity of 5N H$_2$SO$_4$ is
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2.5 M
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1 marks Short answer
Which of the following is an alkaline primary standard?
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Na$_2$CO$_3$
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1 marks Short answer
Which of the following indicators is used in acidic pH range in acid-base titrations?
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Methyl orange
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1 marks Short answer
NaOH cannot be used as primary standard because
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It is hygroscopic
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1 marks Short answer
Unit of specific conductance is
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Ohm$^{-1}$ cm$^{-1}$
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1 marks Short answer
Indicator used in standardization of ceric ammonium sulphate by using ferric ammonium sulphate is
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Ferroin
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1 marks Short answer
Compounds that induce vomiting are called __________.
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emetics
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1 marks Short answer
The composition of BaSO$_4$ reagent includes:
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BaCl$_2$, K$_2$SO$_4$ & Alcohol
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1 marks Short answer
Among the following which is not a toxic heavy metal?
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Iron
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1 marks Short answer
Increased secretion of hydrochloric acid in stomach leads to:
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Hyperchlorhydria
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1 marks Short answer
Which compound is known as blue vitriol?
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CuSO$_4$
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1 marks Short answer
Assay of sodium thiosulphate is done by __________ type of titration.
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Iodometry
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1 marks Short answer
Which of the following is used in treating anaemia?
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FeSO$_4$
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1 marks Short answer
Purified water is prepared by __________ method.
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All the above
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1 marks Short answer
In the Limit test for Lead, the original colour of dithizone in chloroform is
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Violet
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1 marks Short answer
The concentration of standard solution of sulphate in sulphate limit test is
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0.1089% w/v solution of K$_2$SO$_4$
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1 marks Short answer
The composition BaSO$_4$ reagent includes
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BaCl$_2$, K$_2$SO$_4$ & Alcohol
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