Exploring Exothermic and Endothermic Reactions

What does the prefix 'Exo' mean?

• Inward

• Upward

• Downward

• Outward

Which type of reaction is photosynthesis?

• Catalytic

• Endothermic

• Neutral

• Exothermic

What is the primary safety equipment mentioned for the experiment?

• Apron and gloves

• Goggles and lab coat

• Mask and apron

• Gloves and mask

Why is potassium permanganate used in the experiment?

• To neutralize acid

• To sanitize water

• To create bubbles

• To change color

What is the initial temperature of the water before adding glycerin?

• 85°C

• 90°C

• 80°C

• 78°C

How much potassium permanganate is added to the water?

• One teaspoon

• Two teaspoons

• Three teaspoons

• Four teaspoons

What is the final observed temperature after adding glycerin?

• 100°C

• 150°C

• 170°C

• 200°C

What is the purpose of the thermometer in the experiment?

• To measure volume

• To measure pressure

• To measure temperature

• To measure pH

What is the main reason for not trying the experiment at home?

• It is too time-consuming

• It is too expensive

• It is too complicated

• It is too dangerous

What unexpected event occurred at the end of the video?

• A fire started

• The video cut off

• An emergency arose

• The experiment failed