PE4SCIENCE 4 Combustion

What is the most accurate description of combustion?

Which of the following is NOT a necessary component for combustion to occur?

Which gas is essential for combustion to take place?

What form of energy is released during combustion?

What is the role of heat in combustion?

Which term describes a substance that can catch fire and burn?

In the fire triangle, what does each side represent?

What happens if one component of the fire triangle is removed?

Which of the following is an example of fuel?

What is produced in addition to heat and light during combustion?

What is complete combustion?

Which of the following indicates complete combustion?

What remains after complete combustion of wood?

What is necessary for complete combustion to occur?

Which scenario is an example of complete combustion?

Which of the following is a characteristic of incomplete combustion?

What product is typically formed during incomplete combustion due to lack of oxygen?

Which condition leads to incomplete combustion?

Which of the following is an example of incomplete combustion?

Which of the following is a benefit of combustion?

What is one way that combustion is used in industries?

How does combustion help us during cold weather?

Which of the following is a disadvantage of combustion?

What is a potential environmental damage caused by combustion?

What can forest burning cause?

What type of loss can fire cause by destroying buildings?

What should you keep away from flammable items to prevent ignition?

What type of tools should you use for handling burning materials?

What should you wear when handling burning or hot materials?

What should you never do with open flames?

What should you ensure before leaving a burning area?

What does the term 'fuel' refer to in the context of combustion?

What does transparent mean?

Why does incomplete combustion produce more smoke and soot compared to complete combustion?

Based on the fire triangle concept, what would be the immediate consequence of removing the fuel source from a fire?

Which of the following scenarios best demonstrates the use of combustion for cooking?

How does combustion aid in the process of smelting metals?

What is a significant environmental impact associated with forest burning?

How does wearing protective gear, such as heat-resistant gloves, minimize risk when handling hot materials?

What is the primary danger of leaving open flames, such as candles, unattended?

What is the most important action to take before leaving a burning area to ensure safety?

Which of the following best describes how combustion helps in cold weather?

In the context of fire safety, how does keeping flammable materials away from heat sources prevent fires?

Why is it important to use tools specifically designed for handling burning materials?

What is one way combustion is used in industries, according to the information?

Why is monitoring the burning of waste important?

Which environmental issue is most directly linked to the burning of substances like charcoal and petrol?

What effect happens when an individuals clothing catches fire?

What would the immediate danger be if someone touches a hot stove?

Combustion is very important in our lives but is also very dangerous. Which is a proper safety measure to prevent combustion?

In order to handle burning materials, what type of tools should be used?

Before leaving a burning area, say burning waste in a controlled environment, what is the most important principle to follow?

Fuel can come in many forms, like solids, liquids, and gasses. Which of the following is a good example of fuel?

Why are cooking ranges equipped with a combustion hood and vents?

What would happen if there was very little oxygen when lighting a match?

Why is it important to handle burning materials with the right gear and tools?

The heat generated from combustion can allow individuals to warm themselves. What is a disadvantage of combustion?

Why is it important to regularly check for gas leaks in household appliances?

What negative environmental effect can be caused from deforestation?

Which is an appropriate measure to take when on fire?

Wood burning helps what process?

How could combustion be used in industries?

Why should one avoid wearing loose clothing near open flames?

Leaving flames alone can increase what outcomes?

Combustion is a process where a substance rapidly reacts with nitrogen.

Combustion always produces a cooling effect.

Flames are not produced during combustion.

Carbon dioxide is a product of combustion.

Water vapor is not produced during combustion.

Melting metal is an example of combustion.

Only two components are needed for combustion to occur.

Heat is not needed for combustion to begin.

A spark can cause the heat needed for combustion.

Oxygen is not needed for combustion.

Oxygen isn't available in the air.

Fuel can only be solid for combustion to occur.

Complete combustion consumes the fuel completely.

Complete combustion has a dim, orange flame.

Incomplete combustion occurs with a lot of oxygen gas supply.

Incomplete combustion produces less smoke and soot.

Wood does not undergo incomplete combustion.

Combustion is used for making electricity.

Combustion is not responsible for drying food and crops.

Combustion can assist us in cold weather.

Combustion cannot lead to environmental damage.

Forest burning does not cause soil erosion.

Fires cannot destroy buildings.

Burning substances can increase harmful gases in the environment.

It is advisable not to minimize using firewood because it leads to environmantal degradation.

It is safe to leave open flames, such as candles.

Wet pieces of cloth can be used to handle hot containers.

The fire triangle consists of fuel, oxygen, and carbon dioxide.

Incinerating waste is an example of combustion.

Airtight containers promote better combustion.

Smelting iron and producing steel bars is not a combustion activity.

Protective gear helps reduce injuries when handling hot materials.

Using any type of tool is acceptable when dealing with burning materials.

Combustion only happens in controlled environments.

The burning of a candle includes combustion.

The type of fuel used has no effect on the type of combustion.

Combustion is the same as rotting.

Combustion helps us during only warm weather.

When burning trash its okay to leave it unattended.

Combustion is defined as a process where a substance reacts slowly with nitrogen.

Flames are typically cold and invisible during combustion.

Combustion exclusively produces carbon dioxide and water vapor.

Combustion is irrelevant in activities such as cooking food and melting metal.

Heat, oxygen, and fuel must be present for combustion to occur.

Heat functions by decreasing the temperature of the fuel during combustion.

Nitrogen is the primary gas required for combustion.

Fuel can only exist in solid form for combustion to take place.

In complete combustion, the fuel burns incompletely due to insufficient oxygen.

Complete combustion produces a large amount of smoke and soot.

Incomplete combustion occurs when there is a limited supply of nitrogen gas.

When firewood burns in an area with limited oxygen causing incomplete combustion, it turns into ash.

Combustion has only negative effects on the environment and living organisms.

Combustion is not used in industries for any activities.

The heat generated from combustion cannot help us during cold weather.

Burning substances such as charcoal and petrol contribute to the decrease in harmful gases in the environment.

Keeping flammable materials away from heat sources is a safety measure to prevent ignition.

It is safe to use any tools for handling burning metal.

You should not wear protective clothing when handling burning metal.

It is acceptable to leave open flames, such as candles, unattended.

The experiment to investigate the importance of oxygen in combustion requires only one candle.

Covering a candle helps it burn longer because the gas is contained.

Complete combustion involves arranging wood in a closed space.

Dry leaves and papers aid ignition because they are not flammable.

Insufficient oxygen in the surrounding air has no impact on the burning process.

Covering a fire with a metal container encourages complete combustion.

Water can substitute oxygen in the combustion process.

Combustion does not have any practical applications in real life.

Cooking food on a gas stove relies on the principles of combustion.

The word 'fuel' refers to substances that cannot burn under any circumstances.

Combustion can be used in industries for drying foods.

Forest fires can improve soil health and reduce erosion.

Using specifically designed tools for handling burning materials reduces the risk of accidents.

It is not important to wear heat-resistant clothing when open flames are present.

It is acceptable to leave candles unattended.

Combustion is always a rapid process.

Fire does not result in property loss.

Gas combustion in stoves do not produces energy for cooking food.

Complete combustion happens when the fuel burns without sufficient oxygen gas.