Chemistry Acids and Bases

Which one of these substances will have a NEUTRAL pH?

• Lemon juice

• Coffee

• Bleach

• Water

A hydrogen ion, H⁺, is the same as a(n):

• neutron

• electron

• proton

• hydroxide ion

Which product in the following equation is a conjugate base?

• Water

• Hydrogen chloride

• Hydronium

• Chloride

What is the range of pH values in a basic/alkaline solution?

• 0-6

• 7.1-14

• 7

• 0-14

What does the pH scale measure?

• the weight of a liquid

• the density of a liquid

• the temperature of a liquid

• the acidity or alkalinity of a liquid

Which ion determines a base?

• H⁺

• OH^-

• OH⁺

• CO_3^2-

Which ion determines an acid?

• H⁺

• OH^-

• OH⁺

• CO₃^2-

Solutions that have more OH– (hydroxide) ions than H+ (hydrogen) ions are

• acids

• bases

• enzymes

• neutral

Solutions that have more H+ (hydrogen) ions than OH- (hydroxide) ions are

• acids

• bases

• enzymes

• neutral

Is the following compound an acid or a base?

HCl

• Acid

• Base