Properties Of Acids And Bases

Question 1

How are acids and bases similar?

Answer 1

-Found in many house hold items and substances we use daily
-can corrode or rust metal
-cause severe burns to skin/eyes
-conduct electricity
-can be mixed to form a neutral solution

Question 2

How are acids and bases different?

Question 3

What is a PH Scale?

Answer 3

A measure of how acidic or basic a substance is, ranging from 0-14

Question 4

What can the PH Scale tell me about acids and bases related to water?

Answer 4

Water is neither and acid nor a base, it is neutral. Water is located in the middle of the scale with a PH of 7.

Question 5

What are acids and bases?

Answer 5

Acids and bases are two different substances that you encounter in everyday life, each with its own unique properties

Question 6

Acids and Bases, THE PH SCALE. Less than 7=

Answer 6

Acidic

Question 7

7 on a PH scale =

Answer 7

Neutral

Question 8

Greater than 7 on a PH scale =

Answer 8

Basic or alkaline (14 is the strongest)

Question 9

What is an Indicator used to determine?

Answer 9

PH level of a substance

Question 10

An indicator is like a ________

Answer 10

Color changing detective

Question 11

Indicators change to specific colors in the presence of an _______

Answer 11

Acid or base

Question 12

________ is specially treated to turn red in the presence of _____ an acid and remain ______ in the presence of a base.

Answer 12

Litmus Paper, RED, BLUE

Question 13

________is specially treated to turn blue in the presence of a base

Answer 13

Red Litmus

Question 14

________ is a natural indicator that ranges in color from red or pink in the presence of an acid to green or yellow in the presence of a base.

Answer 14

Red cabbage juice

Question 15

Name two properties of acids….

Answer 15

-Taste sour
-react strong with metals
-have a PH level below 7
-turn blue litmus paper red

Question 16

What are some examples of Acids?

Answer 16

-Citric fruits (lemons and oranges)
-soft drinks
-green leafy vegetables such as spinach
-vinegar
-aspirin and ibuprofin

Question 17

Strong acids have a ________ PH level and extreme __________ properties.

Answer 17

Very low, acidic

Question 18

Strong acids can be very _______ and dangerous

Answer 18

Reactive

Question 19

Strong acids can be found in _____________, _____________, ______________

Answer 19

Car batteries, cleaning properties, fertilizers

Question 20

Name two properties of bases:

Answer 20

taste bitter
Feel slippery or soapy
Have a PH level above 7
Turn red litmus paper blue

Question 21

Bases are found in:

Answer 21

Deodorants
Antacids
Toothpastes
Washing Detergents

Question 22

Strong Bases have high or low Ph levels?

Answer 22

High

Question 23

Are strong bases reactive or non reactive?

Answer 23

Very reactive

Question 24

Many strong bases are used in __________ and _________.

Answer 24

Cleaning products and dish detergents

Question 25

Our stomach uses _________ to help digest food and to kill bacteria that can make us sick

Answer 25

Hydrochloric Acid

Question 26

Our muscles produce ___________ when we exercise

Answer 26

Lactic Acid

Question 27

Our _________ produces a base called bicarbonate to neutralize the stomach acid as it passes into the small intestine

Answer 27

Pancreas

Question 28

________ affects all life and systems on earth. If it is too acidic it will affect many things

Answer 28

Water

Question 29

How does PH and the environment affect soil?

Answer 29

Fertile soil is vital for plant growth

Question 30

Why do plants need PH and the environment?

Answer 30

Plants depend on water for growth

Question 31

Why does wildlife need ph and the environment?

Answer 31

Herbivores depend on the plants for food and carnivores depend on some herbivores, and aquatic organism depend on water for survival.

Question 32

What does water quality affect?

Answer 32

Lakes / fish
A healthy lake has a ph of 6.5
A ph of 4 is deadly to a fish