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To begin with, read the passage through, thoroughly. Read it once more.

Identify who is speaking, and to whom, along with any other characters who may be present. If you ca...

Carbon can be found in different forms, with different structures and bonding.

Graphite is a structure in which each carbon atom is bonded to three other carbon atoms, to...

Both aldehydes and ketones contain a double bond between carbon and oxygen.

Aldehydes have the double bond at the end of the molecule. T...

Polymers are large molecules made from lots of repeating units called monomers.

Plastic bags, waterproof coatings on clothes and wound dressings can all be made from poly...

Both alkanes and alkenes are hydrocarbons, which means they only contain carbon and hydrogen atoms.

Alkanes are saturated hydrocarbo...