Acids, Bases, pH

Which of these substances is acidic?

• tap water
• lemon
• ammonia
• baking soda

What might happen if you mixed a strong acid with an equally strong base?

• You would see an explosive chemical reaction.
• The acid would destroy the base.
• The base would destroy the acid.
• You'd wind up with a pH-neutral substance.

Tags

NGSS.MS-PS1-2

An extremely strong base would have a pH of:

• 1
• 7
• 9
• 14

Healthy environments for life have a pH closest to:

• 1
• 3
• 7
• 10

Tags

NGSS.MS-LS1-5

Which of the following substances is basic?

• soda
• lemon juice
• soap
• vinegar

What is a property of bases?

• Slippery touch
• Sour taste
• Ability to dissolve metal
• Ability to form hydronium ions

How do acidic solutions taste?

• Delicious
• Sweet
• Bitter
• Sour

Which of the following substances is basic?

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

Which is the stronger acid?

• pH 1
• pH 4
• pH 8
• pH 13

Pure water is _______ on the pH scale.

• Acid
• Base
• Neutral