Acids and Bases

Many cleaning solutions are bases. Which of the following is a property of most bases?

• feels slippery
• white color
• can only be liquid
• tastes sour

Pure water has a pH of 7. Pure water _______.

• is a base
• is a neutral substance
• could be either an acid or a base
• is an acid

Which food is the most acidic?

• bananas
• lemon juice
• orange juice

Bleach is a strong base, what is the pH level of bleach?

• 13
• 14
• 1
• 2

Tags

NGSS.MS-PS1-2

On the pH scale what numbers are acids?

• 8-14
• 0-7
• 7
• 1

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

Tastes Sour

• Acids
• Bases
• Salts
• All

If an acid is combined with a base of equal strength, the result will most likely be

• a neutral solution.
• a stronger acid.
• impossible to tell without testing the pH.
• a stronger base

Tags

NGSS.MS-PS1-2

HCl is a __________.

• Weak acid
• Strong acid
• Weak base
• Strong base
• Neutral

Litmus paper turns ____________ in the presence of an acid

• Red

• Blue

• Green

• Purple