EVERYDAY SCIENCE

Detailed explanation-1: -The salad dressing in this bottle is a suspension. It contains oil, vinegar, herbs, and spices. If the bottle sits undisturbed for very long, the mixture will separate into its component parts. That’s why you should shake it before you use it.

Detailed explanation-2: -A key characteristic of a suspension is that the solid particles will settle and separate over time if left alone. An example of a suspension is a mixture of water and sand. When mixed up, the sand will disperse throughout the water. If left alone, the sand will settle to the bottom.

Detailed explanation-3: -Answer and Explanation: Salad dressing can be a homogeneous mixture or a heterogeneous mixture based on the type of salad dressing it is. Oil and vinegar are the main ingredients in Italian salad dressing. Since oil and vinegar don’t mix Italian salad dressing would be a heterogeneous mixture.

Detailed explanation-4: -Italian salad dressing is an example of a heterogeneous mixture (see image below). Its composition can vary because we can make it from varying amounts of oil, vinegar, and herbs.

Detailed explanation-5: -Answers. A suspension is a mixture of liquids with particles of a solid which may not dissolve in the liquid. (i) The solid may be separated from the liquid by leaving it to stand, or by filtration. A mixture is a combination of substances which are not chemically joined together.