Y8 Combustion

What gas(es) cause acid rain?

• Sulfur dioxide

• Carbon dioxide

• Nitrogen oxides

• Hydrochloric oxides

What is a hydrocarbon made of?

• Hydrogen only

• Carbon, hydrogen and oxygen

• Carbon and hydrogen only

• Carbon only

What factors are needed for fire to burn?

• Carbon dioxide, heat and fuel

• Oxygen, heat and fuel

• Oxygen and fuel

• Oxygen, temperature and fuel

What type of equation represents a chemical reaction using the names of the substances involved but does not show any chemical symbols or formulae?

What is the Green House Effect.......?

• Is the main cause of global warming.

• Warms the Earth's surface and the air above it, by gases in the atmosphere that trap heat energy from the Sun.

• Warms the Earth's surface and the air above it to dangerous levels, by gases in the atmosphere that trap heat energy from the Sun.

• Is the main cause of climate change.

hydrocarbon + oxygen = water + carbon dioxide

What gas is produced in incomplete combustion?

• Carbon dioxide

• Carbon monoxide

• Sulfur monoxide

• Nitrogen oxide