Preview Questions Product Development Chemist | Role Specific Skill

Question 1: What is one of the primary reasons scale-up can fail in chemical production?

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Failure to meet regulatory requirements

Excessive costs for scaling up equipment

Inaccurate prediction of heat and mass transfer behavior at larger scales

Insufficient laboratory research

Question 2: Which of the following chemical interactions is most likely to affect the stability of a multi-phase formulation?

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The physical size of the active ingredient particles

The processing speed during mixing

The color and appearance of the formulation

Phase separation due to differences in polarity or solubility

Question 3: What is the primary advantage of using Fourier Transform Infrared (FTIR) Spectroscopy in the analysis of chemical products?

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It allows for the quantification of trace elements in a sample

It is the most efficient method for determining particle size distribution

It provides detailed information about functional groups and molecular bonding

It can provide real-time process monitoring

Question 4: When formulating a multiphase system (solid-liquid-gas), which of the following is most likely to affect the stability of the system?

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The density and size of particles relative to the liquid phase

The presence of preservatives in the formulation

The pH of the liquid phase and its solubility characteristics

The temperature gradient during the mixing process

Question 5: Which quality control test is most commonly used to assess the viscosity of a liquid formulation?

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Fourier transform infrared (FTIR) spectroscopy

Differential scanning calorimetry (DSC)

High-performance liquid chromatography (HPLC)

Rotational viscometry

Question 6: In the quality control of chemical formulations, which type of stability testing is used to determine how a formulation reacts to different environmental conditions?

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Accelerated stability testing

Differential thermal analysis (DTA)

High-performance liquid chromatography (HPLC) analysis

Atomic absorption spectroscopy (AAS)