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What temperature does oxygen react with magnesium?
Magnesuium burn in air at room temperature.
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
What do substances react with in the air when they are burning?
If the substance is burning in air then the gas is Oxygen (O2) which makes up about 20% of the Earth's air.
Is physical or chemical ability to react with ohter substances?
The ability to react with other substances is a chemical property.
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
Which gas in the air is one of the reactants when substances burn?
Oxygen.
What happens when substances burn in air?
Oxygen is used up.
What temperature does oxygen react with magnesium?
Magnesuium burn in air at room temperature.
What is meant by flammable substances?
Flammable substances are those gases, liquids and solids that will ignite and continue to burn in air if exposed to a source of ignition.
What two substances react together inside a car engine to produce a poisonous gas?
air and gas
What are substances called that react together?
the name given to chemicals which react together is products
What substances burn faster in oxygen?
Any substance that burns in air is likely to burn faster in pure oxygen, if all other conditions are equal.
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.
What do substances react with in the air when they are burning?
If the substance is burning in air then the gas is Oxygen (O2) which makes up about 20% of the Earth's air.
Is chloride flammable?
Chloride itself is not a substance. It is the ion formed by the element chlorine. Chlorine can react with oxygen but in most of its reactions it does not burn but rather causes other substances to "burn" much in the manner that oxygen does.
