Acids, Bases And Salts

Question 1

Name the 4 common acids

Answer 1

Sulfuric acid, H2SO4
Phosphoric acid, H3PO4
Nitric acid, HNO3
Hydrochloric acid, HCl

Question 2

What is a base?

Answer 2

A base is a proton acceptor

Question 3

Name the 3 common types of bases and give examples

Answer 3

Metal oxides: MgO, CuO
Metal hydroxides: NaOH, Mg(OH)2
Ammonia, NH3

Question 4

What is an alkali?

Answer 4

An alkali is a soluble base that releases OH- ions in aqueous solutions

Question 5

Name 3 common alkalis

Answer 5

Sodium hydroxide, NaOH
Potassium hydroxide, KOH
NH3

Question 6

What is a salt?

Answer 6

A salt is formed when the H+ ion of an acid is replaced by a metal ion or NH4+

Question 7

Name the 3 ways salts can be made

Answer 7

Salts from carbonates, bases and alkalis

Question 8

What are the products formed when an acid reacts with a carbonate?

Answer 8

Acid + Carbonate -> Salts + CO2 + H2O

Question 9

What are the observations for when a acid reacts with a carbonate?

Answer 9

Fizzing/bubbling

Produces a gas, CO2

Question 10

What is an acid?

Answer 10

An acid is a proton donor

Question 11

What are the products formed when an acid reacts with a base?

Answer 11

Acid + Base -> Salt + H2O

Question 12

What are the products formed when an acid reacts with an alkali?

Answer 12

Acid + Alkali -> Salt + H2O