Chemical Reactions Quiz

Mixing of salt and water

Melting of ice

Burning of wood (correct)

Boiling of water

They can only occur at high temperatures

They involve the formation or breaking of chemical bonds (correct)

They can only occur in living organisms

They can only occur in a laboratory setting

To increase the temperature of the reaction

To slow down the reaction

To provide energy for the reaction

To speed up the reaction (correct)

<p>Burning wood (D)</p> Signup and view all the answers

<p>Mass is always conserved (B)</p> Signup and view all the answers

<p>It speeds up the reaction rate (B)</p> Signup and view all the answers