Acids, Bases, and Salts Quiz

What is the primary characteristic that defines an acid?

• It produces hydroxide ions in water

• It produces hydrogen ions in water

• It turns red litmus paper blue

• It feels slippery to touch

Which pH range indicates a basic solution?

• Equal to 7

• Less than 7

• Greater than 7

• Equal to 0

What is the product of a neutralization reaction between an acid and a base?

• Two acids

• Two bases

• Salt and acid

• Salt and water

Which of the following is a common use for acids?

• Making soap

• Food preservation

• Producing antacids

• Cleaning ovens

What characteristic is NOT associated with bases?

• Bitter taste

• Sour taste

• Slippery feel

• Turn red litmus paper blue

How much does the H+ concentration change with each unit on the pH scale?

• 5-fold

• 2-fold

• 10-fold

• 100-fold

Which of the following is an example of a salt?

• HCl

• NaOH

• NaCl

• H2O

What is a natural pH indicator?

• Phenolphthalein

• Red cabbage juice

• Methyl orange

• Universal indicator

Which substance would turn blue litmus paper red?

• Sodium hydroxide

• Ammonia

• Baking soda

• Citric acid

What is the pH of a neutral solution?

• 0

• 14

• 7

• 3.5