Water Properties: pH

Multiple Choice

The chemical compound of water is

• HO
• H₂O
• H₃O
• HO₂

Multiple Choice

What type of bond is found BETWEEN water molecules?

• hydrogen bonds

• ionic bonds

• nonpolar covalent bonds

• polar covalent bonds

Multiple Choice

molecule in which opposite ends have opposite electric charges

• cohesion
• polar molecule
• hydrogen bond
• solution

Multiple Choice

Which is NOT a property of acids?

• slippery

• pH below 7

• dissociate in water

• contain H¹⁺ ions

Multiple Choice

How do acids taste compared to bases?

• Acid is sweet and base is sour

• Acid is bitter and base is sour

• Acid is sour and base is bitter

Multiple Choice

A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions

• acid

• base

• salt

• pH

Multiple Choice

Tastes bitter.

• Acids
• Bases
• Salts
• All

Multiple Choice

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

Multiple Choice

Bases release ____________ ions when they break down or dissociate. 

• Hydrogen (H+)
• Hydroxide (OH-)
• Chlorine (Cl-)
• no

Multiple Choice

Acids produce _________ ions when they break down or dissocciate. 

• Hydroxide (OH-)
• Water
• Chlorine (Cl-)
• Hydrogen (H+)