Acids And Bases

Question 1

Define Acid

Answer 1

Acids are an ionic compound, when dropped in water, acids will release H+

Question 2

Define base

Answer 2

A base is an ionic compound, when dropped in water bases will release OH-

Question 3

Describe the difference between a strong and a weak acid

Answer 3

A string acid releases lots of H+ ions into solution. Dissociates fully, a weak acid releases fewer H+ ions into solution. Partly dissociates.

Question 4

Describe and explain the pH scale

Answer 4

The pH scale tells us how acidic or basic something is.

Question 5

What are the advantages and disadvantages of using litmus and universal indicator?

Answer 5

Litmus is a simple test which just indicates if something is acidic or basic. Universal indicator gives information about how acidic or basic something is with a spectrum of colors.

Question 6

What is neutralization?

Answer 6

The chemical reaction between an acid and a base is called neutralization.

Question 7

What is the symbol for hydrochloric

Answer 7

HCl

Question 8

What is the symbol for nitric acid

Answer 8

HNO3

Question 9

What is the symbol for sulfuric acid

Answer 9

H2SO4

Question 10

When an acid reacts with a base, what compounds are formed?

Answer 10

Salt + Water

Question 11

What is HCL called when it is in a salt?

Answer 11

Chloride (Cl-)

Question 12

What is acidification?

Answer 12

An excess of carbon dioxide enters the atmosphere and goes into the clouds, and makes acid rain.

Question 13

What color does universal indicator turn in a substance with a pH of 1-2?

Answer 13

Red

Question 14

What color does universal indicator turn in a substance with a pH of 13-14?

Answer 14

Purple

Question 15

How do you name a salt?

Answer 15

First word from the metal, second word taken from the acid

Question 16

One example of an acid?

Answer 16

Lemon juice, yoghurt, vinegar etc

Question 17

One example of a base?

Answer 17

Toothpaste, baking soda, ammonia, cleaning products etc