ATS Chemistry: Paper 1 2018

What are the products formed from the electrolysis of copper chloride solution?

• copper and chlorine

• copper and oxygen

• hydrogen and chlorine

• hydrogen and oxygen

What are the products formed from the electrolysis of sodium chloride solution?

• sodium and chlorine

• oxygen and chlorine

• hydrogen and chlorine

• hydrogen and oxygen

Which is the correct rule for electrolysis at the anode (positive electrode)?

• a halogen is always produced first

• at is always the most reactive element that is formed

• at is always the least reactive element that is formed

• oxygen is always produced first

What is the missing value? 6, 12, 24, 32

• 14

• 16

• 18

• 20

How many cm³ are in 1 dm³?

• 10

• 100

• 1000

• 10000

If a solution contains 300g per dm³, how many grams will there be in 500cm³?

• 600

• 30

• 150

• 100

Give one similarity between calcium and magnesium in terms of their electronic structure?

• they are both in group 2

• they are both metals

• they are both non metals

• they both have 2 electrons on their outer shell

Give one difference between calcium and magnesium in terms of their electronic structure?

• calcium is more reactive than magnesium

• calcium is less reactive than magnesium

• calcium has more electrons shells than magnesium

• they both have 2 electrons on their outer shell

Ionic bonding involves the...

• sharing of electrons between non metals

• transfer of electrons from a metal to a non metal

• transfer of electrons from a non metal to a metal

• sharing of electrons between a metal and a non metal

Metals form positive ions by...

• losing electrons

• gaining electrons