Acids, Bases and Solutions

How is the pH different in your mouth, your stomach, and your small intestine? Why are the differences important?

Give one example of an acid and give one example of a base.

Where would your examples fall on the pH scale?

Salt is an example of a…

• Solvent

• Solute

• Suspension

• Solution

The particles in a ___________________ are too small to see.

Tags

NGSS.MS-PS1-1

A _______ reacts with metals and carbonates, tastes sour, and turns blue litmus paper red.

• acid

• base

• neutral solution

A _________ tastes bitter, feels slippery, and turns red litmus paper blue.

• acid

• base

• neutral solution

Litmus paper is an example of an _______, a compound that changes color when it comes in contact with an acid or a base.

• indicator

• carbonate

• hydroxide ion

• hydrogen ion

The ___________ ranges from 0 - 14 and expresses the concentration of hydrogen ions in a solution.

• pH scale

• acidity scale

• basic scale

• solution scale

A reaction between an acid and a base is called _______. This reactions produces a salt and water.

• neutralization

• interaction

• reactivity

• indicator

Tags

NGSS.MS-PS1-5

A ________ is a mixture containing a solvent and at least one solute and has the same properties throughout.

• solution

• suspension

• compound

• molecule