NZ Yr10 Acids & Bases

Which of the following statements is true concerning acids and bases?

• acids and bases don't react with each other

• acids mixed with bases neutralize each other

• acids mixed with bases make stronger bases

• acids mixed with bases make stronger acids

Neutral solutions have a pH of:

• 0

• 1

• 7

• 14

Which is true?

• pH of less than 7 is basic; pH of more than 7 is acidic

• pH of less than 7 is acidic; pH of more than 7 is basic

HCl is found in household products, including some toilet bowl cleaners. Is HCl an acid or a base?

• Acid

• Base

• Neither (Neutral)

A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions

• acid

• base

• salt

• pH

A neutralization reaction will (almost) always produce...

• water & salt
• water
• salt
• water & carbon

Scale that ranges from 1- 14

• acid

• base

• salt

• pH

What is considered to be in the middle of the pH scale

• acidic

• neutral

• basic

• indicator

If there is excess hydrogen ions, the solution will be...

• acidic
• basic

If there is excess hydroxide ions, the solution will be...

• acidic
• basic