Chemistry Review

Substances that have a pH of n>7 are:

• Acids

• Bases

• Neutral

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

• vinegar

• milk

• water

• bleach

Examine the results (color change) of the pH paper shown in the picture. What type of substance was tested?

• an acid

• a base

• a neutral substance

• none of the above

Which of the following are properties of Bases?

SELECT ALL THAT APPLY!

• Taste Sour

• React with Metals

• Form Electrolytes

• Taste Bitter

• Feel Slippery

BONUS: Vitamin C can be found in many fruits and veggies, especially Citrus Fruits. It is used in the body to repair tissues and form collagen. It is also necessary for the prevention and treatment of Scurvy!

Vitamin C is actually an acid. What is the real name for Vitamin C?

• Ascorbic Acid

• Acetic Acid

• Citric Acid

• Fluoric Acid

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 blue litmus paper?

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

Which of the following substances is basic?

• Apple juice
• Ginger ale
• Baking soda
• Distilled water

Water has a pH...

• greater than 7

• lower than 7

• equal to 7

When a metal + acid react, metallic chloride and what is produced?