Pure Substances and Mixtures

Front

Which of the following describe PURE SUBSTANCES?

• It is heterogenous
• It has defined and unique properties
• Its composition varies from sample to sample
• There are two classification of Pure substances: Homogenous and Heterogenous

Back

It has defined and unique properties

Tags

NGSS.MS-PS1-4

Front

How is a mixture formed?

Back

Combining two or more pure substances

Front

The two types of Mixtures are __________ and ___________.

Back

Homogenous and Heterogeneous

Front

Homogenous mixtures forms _________ and has a uniform appearance.

Back

one phase

Front

What are the two kinds of heterogenous mixtures?

Back

Suspension and Colloids

Front

Homogenous Mixtures are also known as ____________

Back

Solutions

Front

In a__________, particles are suspended in a liquid medium, which can later settle in the bottom of the container.

Back

Suspension

Front

A ______ is a mixture in which one substance is dispersed or distributed to another substance. Milk and paint are examples.

Back

Colloid

Front

_______ refers to the random motion of particles when suspended in gases or liquids.

Back

Brownian Motion

Front

Separating components with varying sizes by scooping or picking. Example: separating cereals from milk.

Back

Physical Manipulation