Crude Oil,Ionic Compounds And Covalent Compounds And History Of The Atom

Question 1

Reactions of non metals and metals

Answer 1

Non metals can react with metals.When a non mental reacts with a metal it gains an electron.

Question 2

What is crude oil

Answer 2

A type of fossil fuel.Made up of a mixture of lots of chemicals.

Question 3

What is fractional distillation

Answer 3

Fractional distillation is used to seperate the useful chemicals that crude oil is made up of.

Question 4

What is a fraction

Answer 4

Each group of chemicals that is seperated is known as a fraction

Question 5

Is cruid oil useful?

Answer 5

The crude oil itself does not have many uses.However the chemicals that make up crude oil are very useful as fuels such as petrol and diesel

Question 6

What is combustion

Answer 6

Fuels from crude oil are called hydrocarbons as they only contain hydrogen and carbon.In a combustion reaction hydrocarbon fuels react with oxygen

Question 7

The fuels from crude oil are called

Answer 7

Fossil fuels

Question 8

What ia filtration

Answer 8

Filtration seperates solids from liquids

Question 9

What is distillation

Answer 9

Distillation used to seperate and collect a liquid from a solution

Question 10

What is crystallisation

Answer 10

Crystallisation used to seperate and collect a solid from a solution.

Question 11

What is displacement reaction

Answer 11

A more reactive Group 7 element takes place (displace) of a less reactive Group 7 element.

Question 12

What are the group 7 elements from most reactive to least reactive

Answer 12

Flourine,chlorine,bromine,iodine,astatine