Acids and Bases

What do acids do to red litmus paper?

• Turn it Red 
• Turn it Blue
• Turn it Yellow
• Turn it Green

What do bases do to red litmus paper?

• Turn it Red 
• Turn it Blue
• Turn it Yellow
• Turn it Green

What do bases do to blue litmus paper?

• Turn it Red 
• Turn it Blue
• Turn it Yellow
• Turn it Green

What do acids do to blue litmus paper?

• Turn it Red 
• Turn it Blue
• Turn it Yellow
• Turn it Green

Have a sour taste

• acid
• base
• neither
• both

Have a bitter taste

• acid
• base
• neither
• both

Feel slippery

• acid
• base
• neither
• both

Which food is the most acidic?

• bananas
• lemon juice
• orange juice
• fish

Which of the following is a positive for an acid

• Blue Litmus paper staying blue

• Red Litmus paper staying red

• Phenolphthalein being pink

• Bromothymol blue turning blue

The table shows the pH of several solutions. Which solution is the most acidic?

• vinegar

• milk

• water

• bleach