Acids and Bases Intro

I read the entire page on acids and bases and watched the video

• yes

• no

Tags

NGSS.MS-PS1-5

A liquid may taste sour because it is a(n)

• acid

• base

• old

• indicator

If something feels soapy, it is probably a(n)

• acid

• base

• old

• indicator

What changes color when dipped into a solution containing an acidic or a basic substance?

• acid

• base

• gum

• indicator

The most commonly used natural indicator is

• tumeric

• agar

• litmus

• paper

This is the

• rainbow

• acid indicator

• Base scale

• pH scale

Vitamin C contains

• citric base

• ascorbic acid

• Vitamin D

Experimenting with acids and bases is always safe.

• true

• false