Bleeding is a main stability problem seen in

To keep samples moisture-free the apparatus used is:

In neutralization methods in aqueous medium, a product is:

The instrument used to measure the optical activity of the sample is:

Assay of zinc oxide is what type of analysis?

Titer is an expression of concentration of solution is determined.

Which of the following chemicals is not included in preparing the Karl Fischer reagent?

To remove stain of KMnO4, the most effective chemical substance is :

The primary standard used in the standardization of the above VS is:

To determine the total ash, the sample is incinerated at a temperature of 675 + - 25°C. This temperature is represented by:

Method II of determining iodine value is also known as:

Dichlorophenol-indophenol solution is standardized using:

Koppeschaar’s solution is also known as:

The following is/ are true about EDTA titration.

I. EDTA titration is also known as complexometric titration.

II. The equilibrium constant in EDTA titration is called EDTA indicator.

III. For end-point detection, commonly used indicator is called EDTA indicator

IV. EDTA titration technique includes displacement titration.

The following is/are true about auxillary complexing agent.

I. Eriochrome black is an example of an auxillary complexing agent

II. Auxillary complexing agents are also ligands

III. Auxillary complexIng agents binds the metal strong enough to prevent the hydroxide from precipitating, but weakly enough to give up the metal ion when EDTA is added.

IV. It is used to permit many metals to be titrated in alkaline solution with EDTA.

Identify the sample of the above question with USP requirement of:

Military standard table is also known as:

If 10g of olive oil required 20 mL of 0.0211 N NaOH in the titration of the free fatty acids. What is the acid number of the oil?

A sample of Chlorpheniramine maleate weighing 0.502 g was assayed by nonaqueous titrimetry using 22.2 mL of perchloric acid with normality of 0.1125. Calculate the % purity of the sample. Each mL of 0.1 N perchloric acid is equivalent to 19.54 mg of C16H19CLN2. C4H4O4

The end point of using number ferric ammonium sulfate is:

Orthophenanthroline TS is used as indicator in

Which of the following statement/s is/are correct

I. Iodine value is a quantitative measure of the amount of unsaturated fatty acid in fats.

II. Method I of determining iodine value is also known as Hanus method.

III. Wij’s method is also a method of determining iodine value.

IV. Hubl’s method is official method of determining iodine value.

Determine the iodine value of an unknown sample of oil weighing 0.21g if 26mL and 12 mL of 0.1100 N of sodium thiosulfate are required for the blank and residual titration respectively.

Method 1 for determining alcohol-soluble extractives is also known as:

Primary standard used to standardized Karl Fischer reagent is:

Residue on ignition is also called:

The type of alkaliodal assay where the total alkaloid is determined.

What weight of arsenic trioxide (93.73%) would be used as a sample so that 26.6 mL of 0.1120 N iodine would be needed to titrate it? MW = 197.46

Iodimetry is an indirect analysis of:

When a reducing analyte is titrated directly with iodine, the method used is called

Also known as Eosin Y.

The above solution (question no.61) has a density of 1.454 g/mL. Find the molality of methanol.

The molarity of concentrated HCl purchased in the laboratory is approximately 12.1 M. How many mL of this reagent should be diluted to 2 L to make 0.1 M?

The Kjeldahl procedure was used to analyzed 256μL of a solution containing 37.9 mg protein/mL. The liberated ammonia was collected in 5 mL of 0.0336 M HCl, and the remaining acid required 6.34 mL of 0.010 M NaOH for complete titration. What is the weight % of nitrogen in the protein? MW= 14

A 10 mL sample of sulfuric acid solution required 16.85 mL of NaOH solution in a titration. Each mL of the NaOH solution was equivalent to 0.2477 g of potassium hydrogen phthalate. Calculate the sulfuric acid content in %w/v. MW=98

What is the titer value for 0.05 M calcium chloride with 2 moles of water? MW= 142.9

A 4.59 mL sample of HCl, specific gravity 1.3, required 50.5 mL of 0.9544N NaOH in a titration. Calculate the % w/w HCl.

A 0.2185 g sample of NaCl was assayed using Volhard method using 50 mL of 0.998N silver nitrate and 11.9 mL of 0.1350N ammonium thiocyanate. Calculate the NaCl in the sample. MW NaCl = 58.45

Sulfamic acid (H3NSO3) is a primary standard that can be used to standardized sodium

hydroxide. What is the molarity if 33.26 mL reacts with 0.3337 g sulfamic acid. MW=97Sulfamic acid (H3NSO3) is a primary standard that can be used to standardized sodium hydroxide. What is the molarity if 33.26 mL reacts with 0.3337 g sulfamic acid. MW=97

To keep samples moisture free, the appropriate apparatus to use is:

The used of sodium bicarbonate in the standardization of iodine solution ______.

When a weak base is to be titrated with weak acid, the indicator used is:

The use of chloroform in sodium thiosulfate solution.

Standard solutions in nonaqueous alkalimetry.

I. Lithium methoxide

II. Perchloric acid

III. Hydrogen bromide

IV. Sodium hydroxide

Indicator/s used in nonaqueous titrimetry

I. Nile blue

II. Crystal violet

III. Malachite green

IV. Phenolphthalein

Which of the following statement/s is/are correct?

I. Non-aqueous alkalimetry is used when the analyte is weakly acidic

II. Non-aqueous alkalimetry is used when analyte is acid halide.

III. Non-aqueous alkalimetry is used when the analyte contains heterocyclic nitrogen compound.

IV. Non-aqueous alkalimetry is used when analyte is barbiturate.

Most suitable indicator to use in titration of organic acids

Developed in 1883, this method of analysis remains as one of the accurate and widely used method for determining nitrogen in substance.

The equilibrium constant for the reaction of the metal ion with a ligand is called _____.

NaCl ______ the stability of EDTA complex.

The reaction between HCl and calcium carbonate can be seen in the standardization of:

Indicator in iodometric method of analysis.

In the standardization of iodine solution, why is there a need to boil the solution of arsenic trioxide?

Primary standard in the standardization of ceric sulfate solution

Other name of ferrous phenanthroline.

Use of KI in the preparation of iodine solution.

Standards solutions are also known as:

Which of the following is added to maintain the pH of sodium thiosulfate in optimum range for the stability of the solution?

Limit moisture in nonaqueous titrimetric analysis is less than:

Other name of systematic error

Primary standard in the standardization of perchloric acid

Describes how close a measured value is to the true value.

Solutions containing all the reagents and solvents used in the analysis, but no deliberately added analyte.

Reasons why residual titration are performed.

Fajans titration uses ____ indicator.

Argentometric titration is titration with ______ ion.

Standard solution in precipitation method of analysis

Assay of diluted HCl is expressed in:

The following is/are example/s of metal-ion indicators.

I. Murexide

II. Calmagite

III. Pyrocathecol violet

IV. Ferric alum

Methyl orange in base medium is colored:

Performs and evaluate microbiological assay, sterility, pyrogen, and bacteriological test, safety or acute toxicity test.

The end point of iodometry using starch TS as indicator is:

Hexane is the best solvent extracting:

The unsaponifiable matter present in vegetable oils and fats is:

Assay of ASA (raw material) is an example of what method of analysis?

The bacterial structure responsible for selective permeability is:

The type of container which is impervious to air or any other gas under the ordinary or customary conditions of handling, shipping, storage and distribution.

It is the partial or complete separation of the top or bottom of a tablet from the main body

A critical defect that would stop the packaging line operations:

Which question is used to predict the shelf life of a drug product?

The dye used in the leaker test

A defect that may affect the function of an object and therefore, may render the product useless.

Powdered glass test is done on the following except

Biological reactivity test(s) in vitro except

One of the following is a secondary packaging component:

Content uniformity test is used to ensure which of the following quality in tablet products:

Pyrogen test is performed in:

In disintegration, enteric-coated tablets must

In validation procedures the ability to assess unequivocally the analyte in the presence of components that may be expected to be present is called

Air particle counts in clean rooms is base on what particle size

Which of the following is not an official hard gelatin capsule size for human consumption

What tablet attribute is correlated with the biological availability of the active ingredient.

The quality of water recommended in the preparation of compendial dosage forms is

All of the following are optical devices except:

Beer’s plot in spectrometry is prepared to determine:

When packaging and storage requirements specifies a “tight container” it is understood that;

The suitability of plastic materials intended for use as a container of drug products is determined through what type of test?

The classification plastic materials intended for use as a container of drug products is determined through what type of test?

The reference microorganism for testing the retention efficiency of a sterilizing filter is