Review Acids and Bases

Lien made this table to organize her notes on the properties of acids and bases.

Which property is in the wrong column?

• conduct electric current

• taste bitter

• feel slippery

• react with lipids

Tags

NGSS.MS-PS1-2

Which substance is an acid?

• LiOH

• Mg(OH)2

• CH3COOH

• NaCl

What ion is most closely associated with bases?

• ammonium

• hydroxide

• carbonate

• hydrogen

A compound that releases hydrogen ions in solution would most likely have which chemical property?

• It would react with metals to form a salt and water.

• It would react with nonmetals to form a salt and water.

• It would react with metals to form hydrogen gas.

• It would react with nonmetals to form hydrogen gas.

Tastes bitter: (a)  

• acids

• bases

• neutral

• pH paper

Bases do not react with ​ (a)   or carbonates, taste ​ (b)   , feel ​ (c)   , and turn ​ (d)   litmus paper ​ (e)   .

• metals

• bitter

• slippery

• red

• blue

• sour

• sweet

• dry

Which one of the following is an example of a base? (a)  

• orange juice

• dish soap

• vinegar

• lemons

Bases, also known as ​ (a)   will turn litmus paper ​ (b)   . This is because they have a pH ​ (c)   . They taste ​ (d)   .

• alkali and OH-

• blue

• above 7

• bitter

• below 7

• H+

• red

• sour

Why is a protective apron or lab coat important to use when working with acids?

• Acids conduct electricity and contact could cause a shock.

• Acids react with lipids and can cause damage to skin tissue.

• Acids break down fabrics and can cause burns if the acids are strong.

• Acids have a slippery feel and could result in a fall.

When an old building is to be torn down, Mr. Pham’s company removes the bricks, cleans off the mortar from the bricks, and then sells the bricks to companies that restore historic buildings. Which compound is Mr. Pham’s company most likely to use in its work?

• hydrochloric acid

• nitric acid

• sodium hydroxide

• lithium hydroxide