Question

acids and bases
vocabulary
acid
acid - base indicator
antacid
base
blue
neutral
neutralization reaction
ph scale
red
salt
use the terms in the vocabulary box to fill in the blanks. use each term only once.

1. a compound that tastes sour, corrodes metals and tissue, and turns blue litmus pap

________ is a(n) ________.

1. a compound that tastes bitter, has a slippery texture, corrodes tissue, and turns red

litmus paper ________ is a(n) ________

1. a substance that changes colour when it is added to an acid or a base, or when an

acid or a base is added to it, is called a(n) __________.

1. a __________ is a scale from 0 to 14 that describes how acidic

basic a substance is. a ph value of 7 is __________.

1. an acid and a base react in a __________ to produce a

__________ and water.

1. an __________, which is used to neutralize stomach acid, is an

example of a neutralization reaction.

Explanation:

1. Acids have a sour taste, can corrode metals and tissues, and turn blue litmus paper red.
2. Bases have a bitter taste, a slippery texture, can corrode tissues, and turn red litmus paper blue.
3. Acid - base indicators change color when added to an acid or a base.
4. The pH scale ranges from 0 to 14, with 7 being neutral.
5. An acid and a base react in a neutralization reaction to produce a salt and water.
6. An antacid neutralizes stomach acid, which is an example of a neutralization reaction.

Answer:

1. red; acid
2. blue; base
3. acid - base indicator
4. pH scale; neutral
5. neutralization reaction; salt
6. antacid