Chemistry-fuels

Question 1

Name a gas that traps heat energy that the earths surface radiates out

Answer 1

Carbon dioxide

Question 2

Trapping and letting heat out of the earth is known as

Answer 2

The greenhouse effect

Question 3

When fossil fuels are burnt name the pollutant gases that are releases into the atmosphere

Answer 3

Carbon dioxide sulphur dioxide nitrous oxide

Question 4

Name 2 consequences because of the enhanced greenhouse effect that leads to global warming

Answer 4

Sea levels will rise

Climate will become unpredictable which will disrupt growth of crops and Eco systems

Question 5

Name 2 ways to prevent global warming

Answer 5

Burn less or no fossil fuels

Have catalytic converters that change harmful gases into less or Bon harmful gases

Question 6

True or false

Light may be given out or taken in during a reaction

Answer 6

False

Heat may be given out or taken in during a reaction

Question 7

When fuels are burnt what types of energy are given out

Answer 7

Heat and light energy

Question 8

the equation for burning a fuel

Answer 8

Fuel+oxygen=CO2+water+energy

Question 9

The reaction in a battery produces __________ energy

What is the missing word

Answer 9

Electrical

Question 10

True or false

Fuels are substances which release useful amounts of energy when they burn

Answer 10

True