Acid and Base

……………….is used to tell whether a material is acidic or basic.

When carbon dioxide is bubbled through limewater a positive result could be described as.....

• colourless to milky

• burns with pop

• relights a glowing splint

• the solution goes clear

If an acid was added to a base, what happens to the pH of the solution?

• pH increases

• pH decreases

• pH remains the same

Which is the most likely pH for a solution of a weak acid?

• 1

• 5

• 11

• 14

What can neutralise a strong base

• Neutral

• Weak base

• Base

• Strong acid

Which pH value indicates the most basic solution?

• 7

• 8

• 3

• 11

A solution with a pH of 8.6 would be…

• Acid

• Neutral

• Base

• Buffer

Base has a pH range of ______________.

• 0-6.9

• 7.1-14

• 0-14

The pH scale is a range from:

• 1–7

• 1–5

• 0–14

• 1–20

A compound turns litmus paper into blue and universal paper into purple. By that information, what's the possible pH of that compound?

• 0

• 4

• 7

• 12