Acids, Bases, and Salts

What are the common properties of acids?

• Turning red litmus paper blue

• Ability to absorb heat

• Common properties of acids include sour taste, ability to conduct electricity, reaction with bases, and turning blue litmus paper red.

• Bitter taste

How do bases typically feel to the touch?

• Sticky and thick

• Slippery or soapy

• Rough and gritty

• Warm and fuzzy

What is the result of a neutralization reaction?

• Carbon dioxide and water

• Acid and base

• Hydrogen gas and salt

• Water and salt

What does the pH scale measure?

• The acidity or alkalinity of a solution.

• The color of a solution.

• The concentration of solutes in a solution.

• The temperature of a solution.

Which indicator turns red in acidic solutions?

• Bromothymol blue

• Litmus indicator

• Phenolphthalein

• Methyl orange

Name a common strong acid and its formula.

• Acetic acid (CH3COOH)

• Hydrochloric acid (HCl)

• Nitric acid (HNO3)

• Sulfuric acid (H2SO4)

What is the characteristic taste of bases?

• Salty taste

• Bitter taste

• Sweet taste

• Sour taste

How does the pH scale range from acidic to basic?

• The pH scale ranges from 0 (acidic) to 14 (basic), with 7 being neutral.

• The pH scale ranges from 0 (neutral) to 14 (acidic).

• The pH scale ranges from 0 (basic) to 14 (acidic).

• The pH scale ranges from 1 (acidic) to 10 (basic).

List one use of sodium chloride (table salt).

• Cleaning windows

• Deicing roads

• Enhancing soil nutrients

• Flavoring and preserving food.

What is the pH of pure water?

• 7

• 5

• 6

• 8