Pharmacy Practice MCQ- Physical Pharmaceutics

Pharmacy Practice MCQ, in this article we will solve, Practice MCQ under subject physical pharmaceutics. Read following article for your reference.

States Of Matter And Changes In States Of Matter » PHARMACAREERS

Which of the following is NOT a state of matter?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
What is the term for the energy required to change a substance from solid to liquid at its melting point?
- A) Latent heat of fusion
- B) Latent heat of vaporization
- C) Latent heat of sublimation
- D) Latent heat of condensation
Which process involves a solid changing directly into a gas?
- A) Melting
- B) Vaporization
- C) Sublimation
- D) Condensation
What is the significance of vapor pressure in drug formulations?
- A) It affects the stability and efficacy of the drug
- B) It determines the color of the drug
- C) It influences the taste of the drug
- D) It has no significance
Which state of matter has a definite shape and volume?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
What is the critical point for sublimation?
- A) The temperature and pressure at which solid and gas phases coexist in equilibrium
- B) The temperature at which a liquid boils
- C) The pressure at which a gas condenses
- D) The point at which a solid melts
In the context of physical pharmaceutics, why is understanding latent heat important?
- A) For the formulation of drugs that need to be melted and solidified
- B) For determining the color of the drug
- C) For enhancing the taste of the drug
- D) For packaging the drug
Which of the following processes is used in the preparation of certain pharmaceutical powders?
- A) Melting
- B) Vaporization
- C) Sublimation
- D) Condensation
What is the term for the pressure exerted by a vapor in equilibrium with its liquid or solid phase at a given temperature?
- A) Atmospheric pressure
- B) Vapor pressure
- C) Osmotic pressure
- D) Hydrostatic pressure
Which process is significant in lyophilization (freeze-drying)?
- A) Melting
- B) Vaporization
- C) Sublimation
- D) Condensation
What is the latent heat of vaporization?
- A) The energy required to change a substance from liquid to gas at its boiling point
- B) The energy required to change a substance from solid to liquid at its melting point
- C) The energy required to change a substance from gas to liquid
- D) The energy required to change a substance from solid to gas
Which state of matter has particles that are tightly packed and only vibrate in place?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
What happens during the process of condensation?
- A) A gas changes into a liquid
- B) A liquid changes into a gas
- C) A solid changes into a gas
- D) A solid changes into a liquid
Why is understanding vapor pressure important for inhalation products?
- A) It affects the delivery and performance of the inhalation product
- B) It determines the color of the inhalation product
- C) It influences the taste of the inhalation product
- D) It has no significance
Which state of matter has a definite volume but takes the shape of its container?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
What is the latent heat of sublimation?
- A) The energy required to change a substance from solid to gas without passing through the liquid phase
- B) The energy required to change a substance from liquid to gas at its boiling point
- C) The energy required to change a substance from solid to liquid at its melting point
- D) The energy required to change a substance from gas to liquid
Which process involves a liquid changing into a gas?
- A) Melting
- B) Vaporization
- C) Sublimation
- D) Condensation
What is the significance of understanding the sublimation critical point in lyophilization?
- A) It helps in optimizing the freeze-drying process
- B) It determines the color of the drug
- C) It influences the taste of the drug
- D) It has no significance
Which state of matter has particles that are far apart and move freely?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
What happens during the process of melting?
- A) A solid changes into a liquid
- B) A liquid changes into a gas
- C) A gas changes into a liquid
- D) A solid changes into a gas
Why is understanding latent heat important in the formulation of suppositories?
- A) It helps in determining the melting and solidification points
- B) It determines the color of the suppository
- C) It influences the taste of the suppository
- D) It has no significance
Which process is used to remove solvents from drug formulations without degrading the active pharmaceutical ingredient (API)?
- A) Melting
- B) Vaporization
- C) Sublimation
- D) Condensation
What is the term for the energy required to change a substance from gas to liquid?
- A) Latent heat of fusion
- B) Latent heat of vaporization
- C) Latent heat of sublimation
- D) Latent heat of condensation
Which state of matter has no definite shape or volume?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
What happens during the process of freezing?
- A) A liquid changes into a solid
- B) A solid changes into a liquid
- C) A gas changes into a liquid
- D) A liquid changes into a gas
Why is understanding vapor pressure important in lyophilization?
- A) It helps in optimizing the freeze-drying process
- B) It determines the color of the drug
- C) It influences the taste of the drug
- D) It has no significance
Which state of matter has particles that are less tightly packed than in solids, allowing them to flow?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
What is the significance of understanding the latent heat of vaporization in lyophilization?
- A) It helps in optimizing the freeze-drying process
- B) It determines the color of the drug
- C) It influences the taste of the drug
- D) It has no significance
Which process involves a gas changing into a liquid?
- A) Melting
- B) Vaporization
- C) Sublimation
- D) Condensation
What is the term for the energy required to change a substance from liquid to solid at its freezing point?
- A) Latent heat of fusion
- B) Latent heat of vaporization
- C) Latent heat of sublimation
- D) Latent heat of condensation

Leave a Comment Cancel reply