What are the relatve charges of each particle?

What is the atomic number and mass number of an element?

What is group 8/0 called and what makes them special and why?

No atoms are lost or made during a chemical reaction so the mass of the __________ equals the mass of the __________.

How can calcium oxide and carbon dioxide be obtained from calcium carbonate?

What is the word and symbol equation for the reaction between Calcium oxide and water.

What can the product of the reaction between Calcium oxide and water be used for?

What colour does limewater go in the pressence of carbon dioxide?

How can calcium hydroxide be reacted to form calcium carbonate?

How is cement, mortar and concrete made?

What is the term used that ores have to be, to be extracted

What may happens to ores before they are extracted and purified?

Name a metal that is found in the earth as itself.

How are metals less reactive than carbon extracted?

How are metals more reactive than carbon extracted?

Why are metals that are more reactive then carbon expensive.

How can copper be extracted?

What is the problem with copper-rich ores?

What are the two new ways of extracting low-grade ores?

Why are new ways of extracting metals being researched?

How does phytomining work?

How does bioleaching work?

How can copper be extracted from copper salts.

Why can't aluminium be extracted from their oxides using reduction from carbon.

Why should we recycle metals?

What percentage is iron from a blast furnace?

Why does iron from a blast furnace have little uses.

What is steel an alloy of?

What are the three types of steel and their uses?

Why are most metals in everyday use alloys?

What are elemnts in the central block of the periodic table called?

What are properties of metals

What is the usefulness of metal properties?

What properties does copper have that make it useful for wiring and plumbing.

What are two useful properties of aluminium and titanium?

What is crude oil?

What is a mixture?

What do most of the compounds in crude oil consist of?

What are saturated hydrocarbons called?

What is the general formula for alkanes?

What are the two way that ethane can be represented?

What is the process of seperating crude oil called?

What does the process of seperating crude oil involve?

What effects some of the properties of hydrocarbons?

What does viscosity mean?

Why are hydrocarbons?

What may be released by burning hydrocarbon based fuels?

When are the oxides of nitrogen formed?

What happens to the carbon and hydrogen during combustion?

What causes acid rain?

What causes global warming?

What causes global dimming?

Sulfur can be _____________ from fuels.

What are biofuels produced from?

What are the ethical issues of using biofuels?

What are the enviromental issues of using biofuels?

What is involved in the cracking of hydrocarbons?

What are unsaturated hydrocarbons called?

What the general formula for Alkenes?

What are the two ways that propene can be represented

What turns bromine water colourless?

What can be used to make polymers?

What do monomers form?

How do you show Monomers turning into polymers

Give 5 examples of uses of polymers.

What is the problem with polymers

What are some new plastic bags being made from?

How can ethanol be produced by hydration?

How can ethanol be made using fermentation with yeast?

How is oil removed from plant material?

Why are vegetable oils important foods and fuels?

What is the result of using oils to cook?

Give three advantages of emulsifiers.

What are the two parts of an emulsifier?

What do unsaturated vegetable oils contain?

What is the test for carbon-carbon double bonds and what is the result?

How can vegetable oils be hardened?

What happens to the hydrogen in the hardening in vegatable oils?

What are the advantages of hardened vegetable oils?

What are the 3 layers in the earth?

What is earth surronded by?

What is the upper part of the mantle and the crust split up into?

What causes the tectonic plates to move?

What can occur at plate boundaries?

What is the distribution of nitrogen and oxygen in the atmosphere?

Name 3 other things that are in the atmosphere?

What released the gases that formed the early atmosphere?

What condensed that formed the oceans?

What is one of the theories of the earths early atmosphere?

Who did the experiment using gases from the early atmosphere to test if organic compound could form?

What is primordial soup theory?

what produced the oxygen in the atmosphere?

What did most of the carbon dioxide get locked up in?

How did limestone form?

What do fossil fuels contain?

The oceans also act as a reservoir for carbon dioxide but increased amounts of carbon dioxide absorbed by the oceans has an impact on what?

What does burning fossil fuels do to the carbon dioxide in the atmosphere?

Why would you fractionally distil air?