Introduction to Acids and Bases

Toothpaste will help to reduce acidity on tooth surface produced by bacteria. This means toothpaste is

• Alkaline

• Acidic

• Amphoteric

• Neutral

Example of acids

• Vinegar

• Limewater

• Toothpaste

• Detergent

This diagram is a set up of .... reaction.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Complete the equation

• X : salt

  Y : water

• X : salt

  Y: hydrogen gas

• X : sucrose

  Y : water

• X : sucrose

  Y : hydrogen gas

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Fabric softener is ...... and help to reduce pH of cloth after being washed with detergent

• Acidic

• Alkaline

Potassium hydroxide is

• Alkaline

• Acidic

• Neutral

Which of the following is neutral?

• Water

• Acid

• Salt

• Alkali

Which substance produces hydronium ions in water?

• Acids

• Bases

Vinegar, fruit juice, and cola are examples of:

• acids

• bases

• indicators

• properties

Tags

NGSS.MS-PS1-2

Which substance produces OH- ions in solution?

• Acid

• Base