The video tutorial explains the process of wood burning, highlighting it as an irreversible reaction. It discusses the products formed, such as ash, smoke, light, and heat, and concludes that these changes cannot be reversed.

What is the initial topic discussed in the video?

• The chemical composition of wood

• The lifecycle of a tree

• The concept of wood burning

• The process of photosynthesis

What type of reaction is wood burning classified as?

• Catalytic reaction

• Endothermic reaction

• Irreversible reaction

• Reversible reaction

Which of the following is NOT a byproduct of burning wood?

• Light

• Smoke

• Ash

• Water

What is a characteristic of an irreversible reaction?

• It cannot be reversed

• It can be undone

• It requires a catalyst

• It absorbs heat

Which of the following is produced when wood burns?

• Oxygen

• Light and heat

• Carbon dioxide

• Water vapor