Topic 8 Acids and Alkalis lessons 1-3

Which substance is an acid?

• Water

• Bleach

• Orange juice

• Washing powder

Which pH levels indicated a strong acid?

• 1-3

• 4-6

• 8-11

• 12-14

Which pH level indicates a weak alkali?

• 1-3

• 4-6

• 8-11

• 12-14

Acids taste...

• Sweet

• Salty

• Sour

• Smooth

Alkalis feel...

• Rough

• Granulated

• Soapy

• Smooth

What does this hazard symbol mean?

• toxic

• flammable

• corrosive

• explosive

What pH range would you get for an acid?

• 0-6

• 7

• 7-14

• 2-10

Pure water has a pH of 7. Pure water _______.

• is a base
• is a neutral substance
• could be either an acid or a base
• is an acid

• PH scale

• pH ruler

• pH scale

• pH statistical tables

Tags

NGSS.MS-PS1-2

Which of the following acids do we have in our stomach?

• Ethanoic acid
• Hydrochloric acid
• Nitric acid
• Sulphuric acid