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If the substance is burning in air then the gas is Oxygen (O2) which makes up about 20% of the Earth's air.

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14y ago
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11y ago

Oxygen.

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13y ago

oxygen

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13y ago

O2 I think

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Q: What do substances react with in the air when they are burning?
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Continue Learning about Natural Sciences

What two substances react together inside a car engine to produce a poisonous gas?

air and gas


When two substances react what change occurs?

when two substances react a chemical change occurs


Is physical or chemical ability to react with ohter substances?

The ability to react with other substances is a chemical property.


What part of the air doesn't normally react?

Normally only 20% oxygen in air can react e.g. burning, corrosion, or other oxidative reactions. The other 80% is nitrogen and traces of carbon dioxide (<1%) and some others are more or less inert.


What do chemical properties react with?

Other Substances

Related questions

Name the metal that can be burn in absence of air?

This is a badly worded question, I believe "burning" requires the oxygen in air. Substances such as Phosphorus react with air to burn, and may continue this reaction when submerged. But I do not believe this is what you mean


How some gasses released by burning fuels came from motor vehicle mix with the air to produce poisonous substances?

carbon monoxide is already toxic the way it is made by the car.nitrogen oxides react with water vapor in the air and sunlight to make nitric acid!unburned hydrocarbons react with sunlight to produce the haze of smog.


What two substances react together inside a car engine to produce a poisonous gas?

air and gas


What is a gas that makes up most of the air but does not react?

Nitrogenis the gas you are looking for.This gas make's up most of the air, it dose not react much.A burning splint will go out in this gas.


What does magnesium look like after burning in air?

magnesium look like white powder after burning in air. magnesium burns in air n react with atmospheric oxygen n forms magnesium oxide which is a white powder.


What does not contribute to increased air quality?

the things that do not contribute to increased air quality are volcanic activities, factory smoke and also burning of substances


When two substances react what change occurs?

when two substances react a chemical change occurs


Why do some reactors contain argon and not air?

Argon is an inert gas and doesn't react with other substances from the reactor.


Why is water not considered a fuel?

A fuel is a chemical substance that can react with the oxygen in air to form new substances and release energy. Water can not react with the oxygen in air as it is already an oxide. It has no molecular energy stored in it to release.


What gas makes up most of the air and does not react very much and a burning splint will go out in this gas?

Nitrogen


Is physical or chemical ability to react with ohter substances?

The ability to react with other substances is a chemical property.


How some gases releases by burning fuels mixture with air to produce poisonous substances?

it is when the fuel burnt and smoke comes out from the exhaust.gases mix mix with other substances in the air poisonous gas is produced. it lower the quality of the air we breathe. by RYANZAR_FUERZAS