Endothermic and Exothermic Reactions

What happens to the temperature when hydrogen peroxide reacts with manganese dioxide?

• It stays the same

• It decreases

• It increases

• It fluctuates

What is the initial temperature of the ice in the salt and ice experiment?

• 10 degrees

• Minus 1 degree

• 0 degrees

• 20 degrees

What is the final temperature after mixing salt with ice?

• 0 degrees

• Minus 1 degree

• 10 degrees

• Minus 11 degrees

What color does hydrochloric acid turn with universal indicator?

• Purple

• Red

• Green

• Blue

What happens to the temperature when ammonium chloride dissolves in water?

• It fluctuates

• It increases

• It decreases

• It stays the same