Burning Fuels and combustion

What is produced in complete combustion of a fuel?

• Carbon

• Carbon monoxide

• Carbon monoxide and water

• Carbon dioxide and water

During incomplete combustion, a toxic gas called _________is produced (give the name).

What environmental problem is caused by carbon dioxide?

• Greenhouse effect

• Acid rain

• Breathing problems

• Smog

The test for carbon dioxide gas is to bubble it through _____________.

For any fuel to burn, there must be a supply of ___________ gas.

Why does incomplete combustion happen?

• Because there isn't enough oxygen

• Because there isn't enough carbon dioxide

• Because there isn't enough fuel

• Because carbon is made

Which one of the following is combustible?

• Iron nail

• Glass

• Stone pieces

• Paper

Which is the hottest part in the candle flame?

• Yellow

• Wax part

• Black

• Blue

Fuel may be

• Solid

• Liquid

• Gas

• All of the three

In this chemical reaction, which is the product/s?

Magnesium + Oxygen --> Magnesium oxide

• magnesium

• magnesium and oxygen

• magnesium oxide

• oxygen

Tags

NGSS.HS-PS1-2