Acids

Question 1

What type of ions do acids produce

Answer 1

H+ ions

Question 2

What is the PH value of an acid

Answer 2

Below 7

Question 3

What colour will a litmus paper turn if an acid is present

Answer 3

Blue Paper - Stays red
Red Paper - Turns red

Question 4

What is the product of an acid reacting with a metal

Answer 4

A salt and hydrogen (H+ ions are replaced with metal ions)

Question 5

What type of reactions take place between acids and metals

Answer 5

Redox reactions

Question 6

What is the product of an acid reacting with a metal oxide (base)

Answer 6

Salt and water

Question 7

What is the product of an acid reacting with a carbonate

Answer 7

Salt, water and carbon dioxide

Question 8

What is the formula of magnesium chloride

Answer 8

MgCl2, (the products must add up to a negative charge)

Question 9

What creates a strong acid

Answer 9

Acids that ionise completely

Question 10

How is a PH value decided

Answer 10

The concentration of H+ ions in an acid, e.g higher concentration = Lower PH value