Preview Questions Product Development Chemist | Role Specific Skill

Question 1: In the United States, which of the following acts is primarily concerned with chemical substances and mixtures in the chemical industry?

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Toxic Substances Control Act (TSCA)

Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA)

Clean Air Act (CAA)

Resource Conservation and Recovery Act (RCRA)

Question 2: Which of the following best describes the technique of Differential Scanning Calorimetry (DSC)?

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Measures the refractive index of a sample

Measures the rate of energy release in a chemical reaction

Measures the concentration of a specific analyte

Measures changes in heat capacity as a function of temperature

Question 3: Which scale-up rule is applied to maintain similar flow dynamics across different reactor scales?

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Constant chemical yield

Constant temperature gradient

Constant power per unit volume

Constant heat loss per unit area

Question 4: Which instrument is best suited to determine the particle size distribution in a slurry formulation?

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Dynamic Light Scattering

UV-Vis Spectrophotometer

Viscometer

FTIR Spectrometer

Question 5: In scaling up a reaction, why is it important to understand the critical Reynolds number?

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To optimize the solvent recovery process

To determine the optimal reaction temperature

To calculate the ideal catalyst concentration

To ensure proper mixing and avoid flow instability

Question 6: What technique is used to optimize pH stability in aqueous formulations?

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Surfactant adjustment

Salt addition

Buffer system selection

Pigment loading