Scale that measures how acidic or basic something is.

• aH

• bH

• pH

• Hp

Which is NOT a property of acids?

• slippery

• pH below 7

• dissociate in water

• contain H¹⁺ ions

Which is NOT a property of bases?

• caustic

• corrosive

• pH below 7

• bitter

Which pH is considered neutral?

• 1
• 3
• 7
• 14

The table shows the pH of several solutions. Which solution has the greatest concentration (amount) of H⁺ ions?

• vinegar

• milk

• water

• bleach

Pollution causes the pH of rain water fall below 5. What is such type of rain called?

• acid rain

• polluted rain

• low pH rain

• alkaline rain

What is the effect of ocean acidification on animals?

• animal shells are weaker in an acid

• animals cannot reproduce when it's too acidic

• coral is damaged when it's too acidic

• all of these

Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?

• lemon juice, milk, baking soda, bleach

• bleach, baking soda, milk, lemon juice

• milk, lemon juice, baking soda, bleach

• baking soda, bleach, lemon juice, milk

Which of these is a property of acidic solutions?

• they taste sour

• they feel slippery

• they are in many cleaning products

• they taste bitter

What type of reation occurs between an acid and a base?

• Combustion

• Synthesis

• Neutralization

• Double Replacement