3.x Combustion (GCSE Chemistry)

The following is a GCSE Chemistry test covering '3.x Combustion'

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What indicates incomplete combustion in gas appliances?

During incomplete combustion, fuels burn with:

What type of energy release occurs during combustion reactions?

What causes incomplete combustion to occur?

Which gas is released as well as carbon dioxide during combustion of hydrocarbons?

Burning a splint is used for testing which gas?

Which gas is always produced during complete combustion?

Complete combustion requires what condition?

What is the product of incomplete combustion of hydrocarbons besides carbon monoxide?

What is a common feature of incomplete combustion?

What colour does the flame have in incomplete combustion?

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