Chemistry unit 1

What are the main uses of LIMESTONE
/ calcium carbinate. And is it reactive?

What is the symbol arrangement for calcium carbonate

What is thermal decomposition

What 2 things react to get calcium hydroxide?

How is calcium hydroxide used to test for carbon dioxide?

How do you make cement out of lime stone?

What do you mix together to make mortar?
What is mortar?

How do you make concrete

What does quarrying limestone do to the landscape?

How is limestone a good thing?

Name some pros and cons of limestone

What is a metal ore

What are the 2 methods of extracting metal from their ores

In the reactivity series what happens to metals above and below carbon ( when being extracted)?

What can carbon do to metals less reactive then itself

Describe what a displacement reaction is?

Give an example of a displacement reaction

What ore is in short supply and what are the name of two new methods of extracting the short supply metal?

Explain what bioleaching is

Explain what phytomining Is

What are the good and bad things about metal extraction

Why is recycling metals so important?

What are the basic properties of metals

Name the unique properties of
: copper
: aluminium
: titanium

What is the definition of an alloy

Why is pure iron so bendy ( mention it's arrangement)

What can pure iron be used for?

What are the properties of an alloy?

What is crude oil?

What are the steps of separating crude oil in a fractionation column?

What happens to the molecules of crude oil as the heat decreases

Is crude oil mainly alkAnes or alkEnes?

Name four alkAnes and there formulas

What the basic trends of alkanes

What is crude oil used for

As well as fuel what other thing does crude oil providd

What is the problem with using crude oil as a fuel for modern life?

List some renewable sources of energy and their pros and cons...

Why is crude oil not the environments best friend?

What gas can cause acid rain and how

What does acid rain do to the environment?

You can reduce acid rain by reducing sulfur emissions (give some examples)

How does increasing carbon dioxide cause climate change

What is global dimming

Why don't some scientist believe the change is real

Name three alternative fuels that are being developed and some pros and cons

What does cracking mean?

Products from fractional distillation are cracked - what are they useful for?

(Diesel is cracked)

Describe the chemical reaction: cracking -
How it is done and what is needed

What bond does ALKENES

How can you test for an alkEne

How can ethanol be made and why will it eventually become expensive

How else can ethanol be made?

What are the advantages and disadvantaged of making ethanol through sugar

What can alkenes be used to make?

How is a polymer made

What do fruits and seeds contain a lot of?

How do we extract oil from plants

What are vegetable oils used in and what do they contain?

What benefits do vegetable oils have in cooking?

How come vegetable oils can be used to produce fuels

What kind of bond does:
• unsaturated oils
• monounsaturated
• polyunsaturated

How can you hydrogenate unsaturated oils?

What uses do hydrogenated oils have?

What is the bad thing about hydrogenating oils?

What is the difference between saturated and unsaturated fats and the effect on health

What are the 2 types of emulsions

What is an emulsifier?

What does hydrophilic
And hydrophobic mean

How does an emulsion work

What are the pros and cons of using emulsifiers?

Who invented the theory of continental drift

What was the evidence that supported wegners theory?

Why was his theory not accepted for many years?

Describe the arrangement of the earth and their movement

How do earthquakes and volcanoes happen?

Why can't scientists predict if a volcano or earthquake we will happen?

Tell me about the evolution of the atmosphere

Explain the primordial soup theory?

Who did an experiment to prove the primordial soup theory was correct