Energy From Chemical Reactions And Energy From Fuels

Question 1

During a chemical reaction what can be produced

Answer 1

Sound heat light movement and electrical energy

Question 2

When fuels are burnt they give out what apart from harmful gasses

Answer 2

Heat and light energy

Question 3

Explosive fuels during chemical reactions give out what

Answer 3

Movement and sound

Question 4

The chemical reaction that takes place inside a torch battery gives out what

Answer 4

Electrical energy

Question 5

Fossil fuels form

Over how many years

Answer 5

Millions

Question 6

The burning of fuels makes what

Answer 6

Carbon dioxide + water+ Heat energy

Question 7

What is the chemical equation for the burning of fuels ?

Answer 7

Fuel+ oxygen-> carbon dioxide + water + energy

Question 8

Oil and coal release what gas when they burn?

Answer 8

Sulphur dioxide

Question 9

Sulphur dioxide what when it goes into the air

Answer 9

It dissolves in rain droplets to form acid rain

Question 10

Different types of what can be produced by chemical reactions

Answer 10

Energy

Question 11

When fuels are burned they give out Heat and what energy

Answer 11

Light

Question 12

The reaction inside a battery produces what energy

Answer 12

Electrical energy

Question 13

Extra carbon carbon dioxide gas in the air may lead to what

Answer 13

Global warming

Question 14

Heat can do 2 things during a chemical reaction

Answer 14

Heat may be taken in or given out