Which One of the Following Pairs of Dispersed Phases and Dispersing

question 16

Multiple Choice

Which one of the following pairs of dispersed phases and dispersing media can never form a colloid?

• A) solid and gas
• B) liquid and gas
• C) solid and solid
• D) liquid and liquid
• E) gas and gas

---

Definitions:

Needle Bearings

A type of roller bearing with long, thin cylindrical rollers resembling needles, used in applications with limited space and high load capacity.

Journal Bearings

Journal bearings are a type of plain bearing that support radial loads by enclosing the shaft along its length, offering a smooth, lubricated surface for the shaft to rotate within.

Sleeve Bearings

Bearings consisting of a cylindrically shaped liner that allows for relative motion by sliding, used in various machinery for rotational or sliding movements.

Porous Materials

Materials characterized by the presence of pores or voids, making them permeable to liquids or gases.