Acids and Bases test

The pH scale is a range from:

• 1-7
• 0-14
• 1-14
• 1-20

What is the only substance with a neutral pH of 7?

• Milk
• Orange Juice
• Water
• Blood

A solution with a pH of 7.0 would have...

• more H ions than OH ions
• more OH ions than H ions
• equal number of H and OH ions
• None of these.

A substance with a pH of 2 is __________ acidic than a substance with a pH of 5.

• less
• more

A substance with a pH of 10 is __________ alkaline than a substance with a pH of 8.

• less
• more

What is a pH scale?

• A ranking of solutions based on whether they're an acid or base

• A scale from 0-100

• A measure of the mass of metal in a substance

• A ranking of solutions based on whether they're a metal

An indicator....

• Is made using vegetables

• Tests acids by changing colour in a solution

• Tests whether a substance is acidic or basic by changing colour

• Is another term for 'neutralisation'

Neutralisation is....

• Metals and carbonates cancelling each other out

• Acids and bases cancelling each other out

• A testing method used to measure pH in swimming pools

• Bubbling to indicate a gas was produced

pH= 1

• weak acid

• strong acid

• weak base

• strong base

pH= 6

• weak acid

• strong acid

• weak base

• strong base