Candle Chemistry

What is the chemical reaction that occurs when a candle burns?

• Fermentation

• Combustion

• Oxidation

• Evaporation

What are the products of the combustion of a candle?

• Oxygen and nitrogen dioxide

• Carbon monoxide and nitrogen

• Methane and sulfur dioxide

• The products of the combustion of a candle are carbon dioxide (CO2) and water vapor (H2O).

What is the role of oxygen in the burning of a candle?

• Oxygen has no impact on the candle burning.

• Oxygen extinguishes the candle flame.

• Oxygen is required for the candle to burn.

• Oxygen is harmful to the burning process.

How does the size of the candle wick affect the burning rate?

• The size of the candle wick affects the burning rate by influencing the amount of wax drawn up to the flame.

• The size of the candle wick affects the burning rate by determining the shape of the melted wax pool.

• The size of the candle wick affects the burning rate by altering the scent of the candle.

• The size of the candle wick affects the burning rate by changing the color of the flame.

What is the purpose of the wick in a candle?

• To draw the wax up to the flame through capillary action

• To repel insects

• To add fragrance to the candle

• To provide a decorative element

What is the composition of a candle wick?

• Braided cotton fibers

• Metal wire

• Bamboo fibers

• Twisted silk threads

How does the composition of the wick affect the burning of the candle?

• The composition of the wick affects the burning of the candle by determining the color of the flame.

• The composition of the wick affects the burning of the candle by influencing the rate of wax absorption and flame sustainability.

• The composition of the wick affects the burning of the candle by influencing the scent released.

• The composition of the wick affects the burning of the candle by determining the shape of the melted wax.

Why does a candle go out when the wick is too short?

• The wick is too short to absorb oxygen properly.

• The wax is too hard to melt with a short wick.

• The flame is too weak to ignite with a short wick.

• The wick is too short to draw up enough liquid wax to keep the flame burning.

How does the length of the wick affect the size of the flame?

• The size of the flame is not affected by the wick length.

• The size of the flame remains the same regardless of the wick length.

• The size of the flame increases with a longer wick.

• The size of the flame decreases with a longer wick.

What happens if the wick is too long in a candle?

• The candle will emit a stronger fragrance.

• The candle will not burn at all.

• The candle will burn faster and may drip wax.

• The candle will burn slower and produce less light.