Acids and Bases

What is the name of the paper in the picture?

• Litmus paper

• Universal Indicator Paper

• Anhydrous Copper Sulphate Paper

• Cobalt Chloride Paper

What colour change is happening in the picture?

• Blue to Red

• Red to Blue

• No colour Change

• White to Blue

Tags

NGSS.MS-PS1-2

The colour change in the picture indicates....

• The substance is an acid

• The substance is a base

• The substance is neutral

• There is water present

What colour change is happening in the picture?

• Blue to Red

• Red to Blue

• No colour Change

• White to Blue

Tags

NGSS.MS-PS1-2

The colour change in the picture indicates....

• The substance is an acid

• The substance is a base

• The substance is neutral

• There is water present

Toothpaste is an example of...

• An acid

• A base

Indigestion remedies are examples of...

• An acid

• A base

Lemon juice is an example of...

• An acid

• A base

Vinegar is an example of...

• An acid

• A base

What scale is shown in the picture?

• pH scale

• Acid scale

• Alkaline scale

• Colour wheel