State what is meant by the term hydrocarbon.
Petroleum is a mixture of hydrocarbons. Outline how petroleum is separated into its useful components. Include in your answer: the name of the separation technique; the property of the hydrocarbons which allows them to be separated; a description of how this technique separates the petroleum into its useful components.
Several products obtained from petroleum are shown. Draw a line from each product to its use.
Ethanol is an organic molecule. Draw the displayed formula for one molecule of ethanol.
Ethanol is made by reacting steam with ethene. State two conditions for this process.
Deduce the molecular formula for tetramethylsilane.
Name the two elements in tetramethylsilane that belong to the same group in the Periodic Table.