Unit 4 Acid and Bases

Bases taste

• bitter
• sour
• soapy
• sweet

What characterizes a strong acid or base?

• ionic bonding
• presence of a hydroxide or hydrogen ion
• complete ionization in water
• polar covalent bonding

The name of a binary acid

• begins with the prefix hydro-
• begins with the prefix bi-
• has no prefix
• ends with the suffix -ous

Which of the following liquids is basic?

• lemons
• drain cleaner
• vinegar
• tomato juice

Bases feel

• slippery
• dry
• rough
• moist

Acids react with

• water to produce bases and salts
• salts to produce bases and water
• neither bases, salts nor water
• bases to produce salts and water

Which of the following liquids is acidic?

• milk of magnesis
• seawater
• ammonia
• orange juice

Acids taste

• salty
• sweet
• sour
• bitter

What is the pH of a 10^-4 M HCl solution?

• 6
• 8
• 10
• 4

The pH scale in general use ranges from

• 0 to 7
• -1 to 1
• 0 to 14
• 0 to 1