Acids and Bases

What is the pOH of a 0.027 M KOH solution?

• 12.92
• 1.57
• 14.11
• 6.47

Bases taste

• bitter
• sour
• soapy
• sweet

What is the hydronium concentration of a solution whose pH is 7.30?

• 7.1 x 10^-6 M
• 1.4 x 10^-11 M
• 3.8 x 10^-8 M
• 5.0 x 10^-8 M

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

What is the pH of a solution whose hydronium ion concentration is 5.03 x 10^-1 M?

• 0.5133
• 1.542
• 0.2984
• 5.031

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