S2 - Science - Williamwood High School (East Renfrewshire)

Front

What is the chemical reaction called when a fuel burns?

Back

Combustion

Front

Which fuel burns cleaner: natural gas or coal?

Back

Natural Gas

Front

What chemical reaction produces carbon dioxide for a CO₂ extinguisher in labs?

Back

Calcium carbonate + hydrochloric acid

Front

What two factors turned ancient remains into oil and gas?

Back

Heat and pressure

Front

Which gas turns limewater cloudy?

Back

Carbon Dioxide

Front

What is the process called where plants convert sunlight into energy?

Back

Photosynthesis

Front

What is the main component of natural gas?

Back

Methane

Front

What is the term for a substance that speeds up a chemical reaction without being consumed?

Back

Catalyst

Front

What is the chemical formula for carbon dioxide?

Back

CO₂

Front

What is the term for the energy required to start a chemical reaction?

Back

Activation energy