Grade 6 7.3 the pH scale

What is the pH of distilled water?

• pH 12

• pH 3

• pH 8

• pH 7

What other laboratory substance can you use to test if colourless substance is an acid or an alkali?

• Catalyst

• Salt

• Universal Indicator

• Water

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

Which pH level indicates a weak acid?

• 1-3

• 4-6

• 8-11

• 12-14

Which pH level indicates a strong alkali?

• 1-3

• 4-6

• 8-11

• 12-14

What pH range would you get for an acid?

• 0-6

• 7

• 7-14

• 2-10

• PH scale

• pH ruler

• pH scale

• pH statistical tables

7 on the pH scale means that it is...

• Acidic
• Basic
• Neutral

Drain cleaner has a pH of 13. What is drain cleaner?

• An acid.
• A strong base.
• Neutral.
• A weak base.