What are the three primary states of matter?

• Solid, Liquid, Plasma

• Liquid, Gas, Plasma

• Solid, Plasma, Gas

• Solid, Liquid, Gas

What is the process called when a solid changes directly to a gas?

• Condensation

• Sublimation

• Melting

• Evaporation

Which of the following is a characteristic of crystalline solids?

• Random arrangement of molecules

• High viscosity

• Sharp melting point

• Low density

What is the critical temperature?

• Temperature at which a gas condenses

• Temperature at which a liquid boils

• Temperature at which a solid melts

• Temperature above which a gas cannot be liquefied

What is the ideal gas equation?

• PV = nRT

• PV = nR + T

• PV = nRT^2

• PV = nR/T

Which property is associated with the refractive index?

• Density of a solid

• Bending of light

• Boiling point

• Melting point

What is the latent heat of fusion?

• Heat required to change a solid to a liquid

• Heat required to change a liquid to a gas

• Heat required to change a gas to a solid

• Heat required to change a solid to a gas

What is polymorphism in substances?

• Existence in multiple states

• Existence in a single form

• Existence in multiple forms

• Existence in a gaseous state

Which of the following is a type of inhaler?

• Tablet

• Syringe

• Nebulizer

• Capsule

What does the term 'relative humidity' refer to?

• Amount of moisture in the air

• Density of the air

• Temperature of the air

• Pressure of the air